Q: What is the sum of all factors of the number 257,415,256 excluding 257,415,256?

A: 296,984,744

Why is 296,984,744 the sum of all factors of 257,415,256, excluding 257,415,256?

The factors of the number 257,415,256 are: 1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 23099, 46198, 92396, 161693, 184792, 323386, 646772, 1293544, 4596701, 9193402, 18386804, 32176907, 36773608, 64353814, 128707628, 257415256.

If you add them up, you will get the total of 257,415,552. Now subtract 257,415,256 to get 296,984,744