The natural number N has many factors, and the sum of these factors is a set of new numbers, the smallest of which is 4, and the largest is 196. How many factors does N have?
自然数N有很多个因数，把它的这些因数两两求和得到一组新数，其中最小的为4，最大的为196，N有多少个因数．
<result>6</result>