/*==================================================*| 分解质因数，可能有些地方需要改为long long
\*==================================================*/
const int MAXN=100010;
int prm[MAXN+1];
bool is[MAXN+1];
int getprm(int n){
    int i, j, k = 0;
    int s, e = (int)(sqrt(0.0 + n) + 1);
    memset(is, 1, sizeof(is));
    prm[k++] = 2; is[0] = is[1] = 0;
    for(i = 4; i < n; i += 2) is[i] = 0;
        for(i = 3; i < e; i += 2) if(is[i]) {
            prm[k++] = i;
            for(s = i * 2, j = i * i; j < n; j += s)
                is[j] = 0;
// 因为j是奇数，所以+奇数i后是偶数，不必处理！
        }
    for( ; i < n; i += 2) if(is[i]) prm[k++] = i;
    return k;  // 返回素数的个数
}

ll factor[101][2];
int facnt;
int div(ll x)
{
    int num=1;
    facnt=0;
    ll tmp=x;
    for(int i=0;prm[i]<=tmp/prm[i];i++)
    {
        if(tmp%prm[i] == 0)
        {
            factor[facnt][0]=prm[i];
            factor[facnt][1]=0;
            while(tmp%prm[i] == 0)
            {
                tmp/=prm[i];
                factor[facnt][1]++;
            }
            num*=(factor[facnt][1]+1);
            facnt++;
        }
    }
    if(tmp!=1)
    {
        factor[facnt][0]=tmp;
        factor[facnt++][1]=1;
         num*=2;
    }
    return num;
}