Q: What is the sum of all factors of the number 664,520,503 excluding 664,520,503?
A: 640,617
The factors of the number 664,520,503 are: 1, 1039, 639577, 664520503.
If you add them up, you will get the total of 664,521,143. Now subtract 664,520,503 to get 640,617