Q: What is the sum of all factors of the number 681,724 excluding 681,724?
A: 521,324
The factors of the number 681,724 are: 1, 2, 4, 131, 262, 524, 1301, 2602, 5204, 170431, 340862, 681724.
If you add them up, you will get the total of 682,245. Now subtract 681,724 to get 521,324