Q: What is the sum of all factors of the number 90,643 excluding 90,643?
A: 17,645
The factors of the number 90,643 are: 1, 7, 23, 161, 563, 3941, 12949, 90643.
If you add them up, you will get the total of 90,660. Now subtract 90,643 to get 17,645