Q: What is the sum of all factors of the number 256,171,725 excluding 256,171,725?

A: 229,657,671

Why is 229,657,671 the sum of all factors of 256,171,725, excluding 256,171,725?

The factors of the number 256,171,725 are: 1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 66973, 200919, 334865, 602757, 1004595, 1138541, 1674325, 3013785, 3415623, 5022975, 5692705, 10246869, 15068925, 17078115, 28463525, 51234345, 85390575, 256171725.

If you add them up, you will get the total of 256,171,954. Now subtract 256,171,725 to get 229,657,671