Q: What is the sum of all factors of the number 639,372 excluding 639,372?
A: 852,524
The factors of the number 639,372 are: 1, 2, 3, 4, 6, 12, 53281, 106562, 159843, 213124, 319686, 639372.
If you add them up, you will get the total of 640,224. Now subtract 639,372 to get 852,524