#include <bits/stdc++.h>   using namespace std;   const long long int N = 100005;   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     {       long long int i, j, k, n, m, ans = 0, cnt = 0, sum = 0;       cin >> n;       vector<long long int> v;       cout << n <<    ;       i = n - 1;       while (i > 0) {         if (n % i == 0) {           cout << i <<    ;           n = i;           i = n - 1;         } else {           i--;         }       }     }   }   