Q: What is the sum of all factors of the number 998,257 excluding 998,257?
A: 140,279
The factors of the number 998,257 are: 1, 13, 17, 221, 4517, 58721, 76789, 998257.
If you add them up, you will get the total of 998,397. Now subtract 998,257 to get 140,279