Q: What is the sum of all factors of the number 9,939,905 excluding 9,939,905?
A: 1,987,987
The factors of the number 9,939,905 are: 1, 5, 1987981, 9939905.
If you add them up, you will get the total of 9,939,906. Now subtract 9,939,905 to get 1,987,987