**#include <iostream> #include <vector> #include <map> using namespace std; typedef long long ll; // 计算阶乘 ll factorial(int n) { ll res = 1; for (int i = 2; i <= n; i++) { res *= i; } return res; } int main() { int x; while (cin >> x) { // 质因数分解 map<int, int> factors; int temp = x; }**