Q: What is the sum of all factors of the number 257,662,648 excluding 257,662,648?

A: 261,716,552

Why is 261,716,552 the sum of all factors of 257,662,648, excluding 257,662,648?

The factors of the number 257,662,648 are: 1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 36067, 72134, 144268, 288536, 685273, 1370546, 1695149, 2741092, 3390298, 5482184, 6780596, 13561192, 32207831, 64415662, 128831324, 257662648.

If you add them up, you will get the total of 257,662,909. Now subtract 257,662,648 to get 261,716,552