Q: What is the sum of all factors of the number 640,665,415 excluding 640,665,415?
A: 187,271,513
The factors of the number 640,665,415 are: 1, 5, 13, 65, 9856391, 49281955, 128133083, 640665415.
If you add them up, you will get the total of 640,665,602. Now subtract 640,665,415 to get 187,271,513