Q: What is the sum of all factors of the number 621,398 excluding 621,398?
A: 321,442
The factors of the number 621,398 are: 1, 2, 89, 178, 3491, 6982, 310699, 621398.
If you add them up, you will get the total of 621,719. Now subtract 621,398 to get 321,442