Q: What is the sum of all factors of the number 420,511,253 excluding 420,511,253?
A: 12,135,619
The factors of the number 420,511,253 are: 1, 37, 577, 19697, 21349, 728789, 11365169, 420511253.
If you add them up, you will get the total of 420,511,265. Now subtract 420,511,253 to get 12,135,619