Q: What is the sum of all factors of the number 261,223,521 excluding 261,223,521?
A: 113,866,719
The factors of the number 261,223,521 are: 1, 3, 13, 39, 6698039, 20094117, 87074507, 261223521.
If you add them up, you will get the total of 261,223,634. Now subtract 261,223,521 to get 113,866,719