Q: What is the sum of all factors of the number 663,871 excluding 663,871?
A: 57,409
The factors of the number 663,871 are: 1, 13, 223, 229, 2899, 2977, 51067, 663871.
If you add them up, you will get the total of 663,928. Now subtract 663,871 to get 57,409