Q: What is the sum of all factors of the number 12,397 excluding 12,397?
A: 4,019
The factors of the number 12,397 are: 1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397.
If you add them up, you will get the total of 12,401. Now subtract 12,397 to get 4,019