Q: What is the sum of all factors of the number 15,309,989 excluding 15,309,989?
A: 8,251
The factors of the number 15,309,989 are: 1, 2819, 5431, 15309989.
If you add them up, you will get the total of 15,309,997. Now subtract 15,309,989 to get 8,251