Q: What is the sum of all factors of the number 1,561,439 excluding 1,561,439?
A: 297,121
The factors of the number 1,561,439 are: 1, 11, 19, 31, 209, 241, 341, 589, 2651, 4579, 6479, 7471, 50369, 82181, 141949, 1561439.
If you add them up, you will get the total of 1,561,736. Now subtract 1,561,439 to get 297,121