Q: What is the sum of all factors of the number 161,603 excluding 161,603?
A: 18,493
The factors of the number 161,603 are: 1, 13, 31, 401, 403, 5213, 12431, 161603.
If you add them up, you will get the total of 161,621. Now subtract 161,603 to get 18,493