#include <fstream>

using namespace std;
ifstream in("sum.in");
ofstream out("sum.out");
const long long VM=1000000;
long long int e[VM];

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