Q: What is the sum of all factors of the number 1,284,905 excluding 1,284,905?
A: 256,987
The factors of the number 1,284,905 are: 1, 5, 256981, 1284905.
If you add them up, you will get the total of 1,285,161. Now subtract 1,284,905 to get 256,987