Q: What is the sum of all factors of the number 261,356,657 excluding 261,356,657?
A: 15,373,939
The factors of the number 261,356,657 are: 1, 17, 15373921, 261356657.
If you add them up, you will get the total of 261,356,672. Now subtract 261,356,657 to get 15,373,939