#include <stdio.h>

const int N=100001;
int e[N+1];

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int n,i,j,x;
    scanf("%d",&n);

    for(i=1;i<N;i++)
        e[i]=i;

    for(i=2;i<N;i++)
        if(e[i]==i)
            for(j=i;j<N;j=j+i) e[j]=e[j]/i*(i-1);

    for(i=1;i<=n;i++)
    {
        scanf("%d",&x);
        printf("%d\n",(2*x*e[x]));
    }

}