Q: What is the sum of all factors of the number 665,612,355 excluding 665,612,355?

A: 424,769,469

Why is 424,769,469 the sum of all factors of 665,612,355, excluding 665,612,355?

The factors of the number 665,612,355 are: 1, 3, 5, 15, 47, 141, 235, 503, 705, 1509, 1877, 2515, 5631, 7545, 9385, 23641, 28155, 70923, 88219, 118205, 264657, 354615, 441095, 944131, 1323285, 2832393, 4720655, 14161965, 44374157, 133122471, 221870785, 665612355.

If you add them up, you will get the total of 665,612,779. Now subtract 665,612,355 to get 424,769,469