hdu2601 An easy problem

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=2601

//n+1=(i+1)(j+1)=i*j+i+j#include <stdio.h>#include <math.h>int main(){int test,ans;_int64 n,i,temp; scanf("%d",&test);while(test--){ans=0;scanf("%I64d",&n);n++;temp=(_int64)sqrt(n*1.0);for(i=2;i<=temp;++i)if(n%i==0)ans++;printf("%d\n",ans);}return 0;}