Q: What is the sum of all factors of the number 1,408 excluding 1,408?
A: 1,652
The factors of the number 1,408 are: 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408.
If you add them up, you will get the total of 1,409. Now subtract 1,408 to get 1,652