#include <iostream>
#include <fstream>

using namespace std;

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

int main()
{
    int i,n=100000,j,x,e[100001];
    for(i=2;i<=n;i++)
    {
        e[i]=i;
    }
    for (int j = 2; j <= n; j += 2)
    {
        e[j] /= 2;
    }
    for(i=3;i<=n;i+=2)
    {
        if(e[i]==i)
        {
            for(j=i;j<=n;j+=i)
            {
                e[j]=e[j]/i*(i-1);
            }
        }
    }

    in>>n;
    for(i=0;i<n;i++)
    {
        in>>x;
        out<<2LL*x*e[x]<<"\n";
    }

    return 0;

}