Q: What is the sum of all factors of the number 428,578 excluding 428,578?
A: 217,082
The factors of the number 428,578 are: 1, 2, 421, 509, 842, 1018, 214289, 428578.
If you add them up, you will get the total of 428,795. Now subtract 428,578 to get 217,082