Q: What is the sum of all factors of the number 638,842 excluding 638,842?
A: 366,638
The factors of the number 638,842 are: 1, 2, 37, 74, 89, 97, 178, 194, 3293, 3589, 6586, 7178, 8633, 17266, 319421, 638842.
If you add them up, you will get the total of 639,208. Now subtract 638,842 to get 366,638