Q: What is the sum of all factors of the number 12,728 excluding 12,728?
A: 12,352
The factors of the number 12,728 are: 1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 3182, 6364, 12728.
If you add them up, you will get the total of 12,740. Now subtract 12,728 to get 12,352