Q: What is the sum of all factors of the number 664,428 excluding 664,428?
A: 977,604
The factors of the number 664,428 are: 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 3257, 6514, 9771, 13028, 19542, 39084, 55369, 110738, 166107, 221476, 332214, 664428.
If you add them up, you will get the total of 665,405. Now subtract 664,428 to get 977,604