Q: What is the sum of all factors of the number 687,312,823 excluding 687,312,823?
A: 135,905
The factors of the number 687,312,823 are: 1, 5261, 130643, 687312823.
If you add them up, you will get the total of 687,312,958. Now subtract 687,312,823 to get 135,905