Consecutive Factors (20)

输入描述:

Each input file contains one test case, which gives the integer N (131).

输出描述:

For each test case, print in the first line the maximum number of consecutive factors.  Then in the second line, print the smallest sequence of the consecutive factors in the format "factor[1]*factor[2]*...*factor[k]", where the factors are listed in increasing order, and 1 is NOT included.