Q: What is the sum of all factors of the number 1,216 excluding 1,216?
A: 1,324
The factors of the number 1,216 are: 1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216.
If you add them up, you will get the total of 1,217. Now subtract 1,216 to get 1,324