#include <bits/stdc++.h>

using namespace std;

ifstream fin("sum.in");
ofstream fout("sum.out");

int phi[100005];

int main()
{
    int i, j, n, x;
    fin >> n;
    for(i = 1; i <= 100000; i++)
        phi[i] = i - 1;
    phi[1] = 1;
    for(i = 2; i <= 100000; i++)
        for(j = 2 * i; j <= 100000; j += i)
            phi[j] -= phi[i];
    for(i = 1; i <= n; i++)
    {
        fin >> x;
        fout << 1LL * phi[x] * 2 * x << "\n";
    }
    return 0;
}