Q: What is the sum of all factors of the number 258,858 excluding 258,858?
A: 312,570
The factors of the number 258,858 are: 1, 2, 3, 6, 9, 18, 73, 146, 197, 219, 394, 438, 591, 657, 1182, 1314, 1773, 3546, 14381, 28762, 43143, 86286, 129429, 258858.
If you add them up, you will get the total of 259,170. Now subtract 258,858 to get 312,570