Q: What is the sum of all factors of the number 258,987 excluding 258,987?
A: 89,493
The factors of the number 258,987 are: 1, 3, 131, 393, 659, 1977, 86329, 258987.
If you add them up, you will get the total of 259,076. Now subtract 258,987 to get 89,493