Q: What is the sum of all factors of the number 638,859 excluding 638,859?
A: 278,533
The factors of the number 638,859 are: 1, 3, 13, 39, 16381, 49143, 212953, 638859.
If you add them up, you will get the total of 639,137. Now subtract 638,859 to get 278,533