Q: What is the sum of all factors of the number 128,387,621 excluding 128,387,621?
A: 7,666,099
The factors of the number 128,387,621 are: 1, 17, 1597, 4729, 27149, 80393, 7552213, 128387621.
If you add them up, you will get the total of 128,387,628. Now subtract 128,387,621 to get 7,666,099