Q: What is the sum of all factors of the number 1,628 excluding 1,628?
A: 1,564
The factors of the number 1,628 are: 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628.
If you add them up, you will get the total of 1,629. Now subtract 1,628 to get 1,564