Q: What is the sum of all factors of the number 644,665,323 excluding 644,665,323?
A: 215,160,405
The factors of the number 644,665,323 are: 1, 3, 3323, 9969, 64667, 194001, 214888441, 644665323.
If you add them up, you will get the total of 644,665,538. Now subtract 644,665,323 to get 215,160,405