Q: What is the sum of all factors of the number 2,551,778 excluding 2,551,778?
A: 1,275,892
The factors of the number 2,551,778 are: 1, 2, 1275889, 2551778.
If you add them up, you will get the total of 2,551,779. Now subtract 2,551,778 to get 1,275,892