Q: What is the sum of all factors of the number 398,638 excluding 398,638?
A: 215,594
The factors of the number 398,638 are: 1, 2, 37, 74, 5387, 10774, 199319, 398638.
If you add them up, you will get the total of 398,853. Now subtract 398,638 to get 215,594