Q: What is the sum of all factors of the number 640,471 excluding 640,471?
A: 85,849
The factors of the number 640,471 are: 1, 13, 19, 247, 2593, 33709, 49267, 640471.
If you add them up, you will get the total of 640,556. Now subtract 640,471 to get 85,849