Q: What is the sum of all factors of the number 15,664 excluding 15,664?
A: 17,816
The factors of the number 15,664 are: 1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 7832, 15664.
If you add them up, you will get the total of 15,681. Now subtract 15,664 to get 17,816