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#include<fstream.h>
ifstream in("sum.in");
ofstream out("sum.out");
long long n,phi[100000];
void ciur()
{
long long i,j;
for(i=1;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]/=i;
phi[j]*=(i-1);}}
int main()
{long long t,x,solutie;
in>>t;
ciur();
for(long i=1;i<=t;++i)
{in>>x;
solutie=2*phi[x]*x;
out<<solutie<<'\n';}
return 0;
}