Q: What is the sum of all factors of the number 138,728 excluding 138,728?
A: 121,402
The factors of the number 138,728 are: 1, 2, 4, 8, 17341, 34682, 69364, 138728.
If you add them up, you will get the total of 138,849. Now subtract 138,728 to get 121,402