View Compilation Error

0_0_25761255_25089.cpp: In function 'long long int work(long long int)':
0_0_25761255_25089.cpp:36:43: error: 'num' was not declared in this scope
     for (__int64 i = 1; i < (__int64)1 << num ; i++)        //其二进制位为1，表示这些质因数被用到 
                                           ^
0_0_25761255_25089.cpp:44:22: error: 'p' was not declared in this scope
                 t *= p[j];
                      ^