Q: What is the sum of all factors of the number 520,553,661 excluding 520,553,661?
A: 173,872,419
The factors of the number 520,553,661 are: 1, 3, 2003, 6009, 86629, 259887, 173517887, 520553661.
If you add them up, you will get the total of 520,553,834. Now subtract 520,553,661 to get 173,872,419