Q: What is the sum of all factors of the number 647,762,465 excluding 647,762,465?

A: 256,658,911

Why is 256,658,911 the sum of all factors of 647,762,465, excluding 647,762,465?

The factors of the number 647,762,465 are: 1, 5, 7, 35, 71, 355, 463, 497, 563, 2315, 2485, 2815, 3241, 3941, 16205, 19705, 32873, 39973, 164365, 199865, 230111, 260669, 279811, 1150555, 1303345, 1399055, 1824683, 9123415, 18507499, 92537495, 129552493, 647762465.

If you add them up, you will get the total of 647,762,721. Now subtract 647,762,465 to get 256,658,911