Q: What is the sum of all factors of the number 644,340,243 excluding 644,340,243?
A: 214,780,085
The factors of the number 644,340,243 are: 1, 3, 214780081, 644340243.
If you add them up, you will get the total of 644,340,457. Now subtract 644,340,243 to get 214,780,085