Q: What is the sum of all factors of the number 128,507,784 excluding 128,507,784?

A: 193,806,936

Why is 193,806,936 the sum of all factors of 128,507,784, excluding 128,507,784?

The factors of the number 128,507,784 are: 1, 2, 3, 4, 6, 8, 12, 24, 313, 626, 939, 1252, 1878, 2504, 3756, 7512, 17107, 34214, 51321, 68428, 102642, 136856, 205284, 410568, 5354491, 10708982, 16063473, 21417964, 32126946, 42835928, 64253892, 128507784.

If you add them up, you will get the total of 128,507,977. Now subtract 128,507,784 to get 193,806,936