#include <fstream>

using namespace std;
ifstream in("sum.in");
ofstream out("sum.out");


long long const VM = 1000003;
long long e[1000003];
void Euler()
{
    for (int i = 2; i < VM; i++)
        e[i] = i;

    for (int i = 2; i < VM; i++)
    {
        if (e[i] == i)
        {
            for (int j = i; j < VM; j += i)
            {
                e[j]= e[j] / i * (i - 1);
            }
        }
    }
}

int main()
{
    int n, x;
    in >> n;
    Euler();
    for (int i = 1; i <= n; i++)
    {
        in >> x;
        out << 2 * x * e[x] << '\n';
    }
    return 0;
}