Q: What is the sum of all factors of the number 1,561,742 excluding 1,561,742?
A: 1,321,810
The factors of the number 1,561,742 are: 1, 2, 7, 13, 14, 26, 91, 182, 8581, 17162, 60067, 111553, 120134, 223106, 780871, 1561742.
If you add them up, you will get the total of 1,561,743. Now subtract 1,561,742 to get 1,321,810