Q: What is the sum of all factors of the number 16,615,391 excluding 16,615,391?
A: 1,278,121
The factors of the number 16,615,391 are: 1, 13, 1278107, 16615391.
If you add them up, you will get the total of 16,615,392. Now subtract 16,615,391 to get 1,278,121