Q: What is the sum of all factors of the number 1,372 excluding 1,372?
A: 1,428
The factors of the number 1,372 are: 1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372.
If you add them up, you will get the total of 1,373. Now subtract 1,372 to get 1,428