Q: What is the sum of all factors of the number 3,872 excluding 3,872?
A: 4,507
The factors of the number 3,872 are: 1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872.
If you add them up, you will get the total of 3,876. Now subtract 3,872 to get 4,507