Q: What is the sum of all factors of the number 81,871 excluding 81,871?
A: 7,729
The factors of the number 81,871 are: 1, 19, 31, 139, 589, 2641, 4309, 81871.
If you add them up, you will get the total of 81,878. Now subtract 81,871 to get 7,729