Q: What is the sum of all factors of the number 645,728 excluding 645,728?
A: 701,464
The factors of the number 645,728 are: 1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 1187, 2374, 4748, 9496, 18992, 20179, 37984, 40358, 80716, 161432, 322864, 645728.
If you add them up, you will get the total of 646,429. Now subtract 645,728 to get 701,464