Q: What is the sum of all factors of the number 128,658 excluding 128,658?
A: 135,438
The factors of the number 128,658 are: 1, 2, 3, 6, 41, 82, 123, 246, 523, 1046, 1569, 3138, 21443, 42886, 64329, 128658.
If you add them up, you will get the total of 128,793. Now subtract 128,658 to get 135,438