static long sum ( long n ) {
  long ret = 1 ;
  for ( long i = 2 ;
  i <= Math . sqrt ( n ) ;
  i ++ ) {
    if ( n % i == 0 ) {
      if ( i == Math . sqrt ( n ) ) {
        ret += i ;
      }
      else {
        ret += i ;
        ret += n / i ;
      }
    }
  }
  return ret ;
}

static long sum ( long n ) { long ret = 1 ; for ( long i = 2 ; i <= Math . sqrt ( n ) ; i ++ ) { if ( n % i == 0 ) { if ( i == Math . sqrt ( n ) ) { ret += i ; } else { ret += i ; ret += n / i ; } } } return ret ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier)))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))))))) (return_statement (identifier))))