Q: What is the sum of all factors of the number 1,258,891 excluding 1,258,891?
A: 2,421
The factors of the number 1,258,891 are: 1, 757, 1663, 1258891.
If you add them up, you will get the total of 1,258,893. Now subtract 1,258,891 to get 2,421