Q: What is the sum of all factors of the number 1,561,663 excluding 1,561,663?
A: 11,537
The factors of the number 1,561,663 are: 1, 137, 11399, 1561663.
If you add them up, you will get the total of 1,561,674. Now subtract 1,561,663 to get 11,537