Q: What is the sum of all factors of the number 1,138,521 excluding 1,138,521?
A: 391,623
The factors of the number 1,138,521 are: 1, 3, 131, 393, 2897, 8691, 379507, 1138521.
If you add them up, you will get the total of 1,138,912. Now subtract 1,138,521 to get 391,623