#include <cstdio>
#include <iostream>
#include <set>
#include <climits>
#include <map>
#include <algorithm>
#include <list>
#include <vector>
#include <utility>

using namespace std;

int main() {
    freopen("sum.in", "r", stdin);
    freopen("sum.out", "w", stdout);

    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, fi[100005];
    long long x;
    for (int i = 2; i <= 100000; i++) {
        fi[i] = i - 1;
    }
    for (int i = 2; i <= 100000; i++) {
        for (int j = i + i; j <= 100000; j += i) {
            fi[j] -= fi[i];
        }
    }
    cin >> n;
    for (int tt = 1; tt <= n; tt++ ) {
        cin >> x;
        cout << 2 * x * fi[x] << "\n";
    }

    return 0;
}