Q: What is the sum of all factors of the number 257,478 excluding 257,478?
A: 297,258
The factors of the number 257,478 are: 1, 2, 3, 6, 13, 26, 39, 78, 3301, 6602, 9903, 19806, 42913, 85826, 128739, 257478.
If you add them up, you will get the total of 257,775. Now subtract 257,478 to get 297,258