#include <fstream>
#define NMAX 100000
using namespace std;
ifstream in("sum.in");
ofstream out("sum.out");
int phi[NMAX+3];

int main()
{
    long long n,cnt=0,i,j,t;

    for(int i=1;i<=NMAX;i++)
        phi[i]=i-1;
    for(i=2;i<=NMAX;i++)
        {for(j=i*2;j<=NMAX;j+=i)
            phi[j]-=phi[i];
            }
    in>>n;
    for(i=1;i<=n;i++)
    {
        in>>t;
        out<<2*t*phi[t]<<'\n';
    }
    return 0;
}