Q: What is the sum of all factors of the number 647,972 excluding 647,972?
A: 646,804
The factors of the number 647,972 are: 1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 733, 884, 1466, 2932, 9529, 12461, 19058, 24922, 38116, 49844, 161993, 323986, 647972.
If you add them up, you will get the total of 648,618. Now subtract 647,972 to get 646,804