Q: What is the sum of all factors of the number 128,324,245 excluding 128,324,245?

A: 66,137,963

Why is 66,137,963 the sum of all factors of 128,324,245, excluding 128,324,245?

The factors of the number 128,324,245 are: 1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 9377, 13685, 46885, 65639, 159409, 215671, 328195, 797045, 1078355, 1115863, 1509697, 3666407, 5579315, 7548485, 18332035, 25664849, 128324245.

If you add them up, you will get the total of 128,324,311. Now subtract 128,324,245 to get 66,137,963