Q: What is the sum of all factors of the number 12,688 including 12,688?
A: 26,908
The factors of the number 12,688 are: 1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688.
If you add them up, you will get the total of 26,908.