#include <bits/stdc++.h>
using namespace std;
#define N 100005
ifstream fin("sum.in");
ofstream fout("sum.out");


long long phi[N];

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