Q: What is the sum of all factors of the number 3,185 excluding 3,185?
A: 1,603
The factors of the number 3,185 are: 1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185.
If you add them up, you will get the total of 3,186. Now subtract 3,185 to get 1,603