Q: What is the sum of all factors of the number 203,635,315 excluding 203,635,315?

A: 72,367,181

Why is 72,367,181 the sum of all factors of 203,635,315, excluding 203,635,315?

The factors of the number 203,635,315 are: 1, 5, 13, 41, 43, 65, 205, 215, 533, 559, 1763, 1777, 2665, 2795, 8815, 8885, 22919, 23101, 72857, 76411, 114595, 115505, 364285, 382055, 947141, 993343, 3132851, 4735705, 4966715, 15664255, 40727063, 203635315.

If you add them up, you will get the total of 203,635,387. Now subtract 203,635,315 to get 72,367,181