Q: What is the sum of all factors of the number 8,721,089 excluding 8,721,089?
A: 670,867
The factors of the number 8,721,089 are: 1, 13, 670853, 8721089.
If you add them up, you will get the total of 8,721,759. Now subtract 8,721,089 to get 670,867