Q: What is the sum of all factors of the number 256,641,002 excluding 256,641,002?

A: 149,867,542

Why is 149,867,542 the sum of all factors of 256,641,002, excluding 256,641,002?

The factors of the number 256,641,002 are: 1, 2, 31, 62, 71, 142, 173, 337, 346, 674, 2201, 4402, 5363, 10447, 10726, 12283, 20894, 23927, 24566, 47854, 58301, 116602, 380773, 741737, 761546, 1483474, 1807331, 3614662, 4139371, 8278742, 128320501, 256641002.

If you add them up, you will get the total of 256,641,151. Now subtract 256,641,002 to get 149,867,542