Q: What is the sum of all factors of the number 1,221,638 excluding 1,221,638?
A: 777,442
The factors of the number 1,221,638 are: 1, 2, 11, 22, 55529, 111058, 610819, 1221638.
If you add them up, you will get the total of 1,222,415. Now subtract 1,221,638 to get 777,442