Q: What is the sum of all factors of the number 643,408 excluding 643,408?
A: 603,226
The factors of the number 643,408 are: 1, 2, 4, 8, 16, 40213, 80426, 160852, 321704, 643408.
If you add them up, you will get the total of 644,011. Now subtract 643,408 to get 603,226