#include<cstdio>
using namespace std;
int i,j,phi[100005],t,x;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=2;i<=100000;i++) phi[i]=i;
    for(i=2;i<=100000;i++)
        if(phi[i]==i)
            for(j=i;j<=100000;j+=i) phi[j]=phi[j]/i*(i-1);
    scanf("%d",&t);
    for(;t;t--)
    {
        scanf("%d",&x);
        printf("%lld\n",2LL*x*phi[x]);
    }
    return 0;
}