Q: What is the sum of all factors of the number 90,389 excluding 90,389?
A: 12,931
The factors of the number 90,389 are: 1, 13, 17, 221, 409, 5317, 6953, 90389.
If you add them up, you will get the total of 90,401. Now subtract 90,389 to get 12,931