Q: What is the sum of all factors of the number 1,987,778 excluding 1,987,778?
A: 1,241,440
The factors of the number 1,987,778 are: 1, 2, 13, 26, 169, 338, 5881, 11762, 76453, 152906, 993889, 1987778.
If you add them up, you will get the total of 1,987,779. Now subtract 1,987,778 to get 1,241,440