Q: What is the sum of all factors of the number 204,564,221 excluding 204,564,221?
A: 645,631
The factors of the number 204,564,221 are: 1, 317, 645313, 204564221.
If you add them up, you will get the total of 204,564,866. Now subtract 204,564,221 to get 645,631