python/TangDou/AcWing/Prime/867.cpp

#include <bits/stdc++.h>

using namespace std;

void divide(int x) {
    for (int i = 2; i <= x / i; i++)
        if (x % i == 0) {
            int s = 0;
            while (x % i == 0) x /= i, s++;
            cout << i << ' ' << s << endl;
        }
    if (x > 1) cout << x << ' ' << 1 << endl;
}

int main() {
    int n;
    cin >> n;
    while (n--) {
        int x;
        cin >> x;
        divide(x);
        puts("");
    }
    return 0;
}