Q: What is the sum of all factors of the number 1,356 excluding 1,356?
A: 1,836
The factors of the number 1,356 are: 1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356.
If you add them up, you will get the total of 1,357. Now subtract 1,356 to get 1,836