Q: What is the sum of all factors of the number 28,747,891 excluding 28,747,891?
A: 553,309
The factors of the number 28,747,891 are: 1, 67, 277, 1549, 18559, 103783, 429073, 28747891.
If you add them up, you will get the total of 28,748,444. Now subtract 28,747,891 to get 553,309