Q: What is the sum of all factors of the number 428,278 excluding 428,278?
A: 217,994
The factors of the number 428,278 are: 1, 2, 197, 394, 1087, 2174, 214139, 428278.
If you add them up, you will get the total of 428,495. Now subtract 428,278 to get 217,994