Q: What is the sum of all factors of the number 1,201,989 excluding 1,201,989?
A: 407,931
The factors of the number 1,201,989 are: 1, 3, 257, 771, 1559, 4677, 400663, 1201989.
If you add them up, you will get the total of 1,202,396. Now subtract 1,201,989 to get 407,931