func_code_string: #include <bits/stdc++.h>   using namespace std;   const double eps = 1e-8;   int main() {     int i, n, sum;     while (scanf( %d , &n) != EOF) {       sum = 0;       while (n != 1) {         sum += n;         for (i = 2; i <= n; i++) {           if (n % i == 0) {             n /= i;             break;           }         }       }       cout << sum + 1 << endl;     }     return 0;   }   