Q: What is the sum of all factors of the number 530,721,741 excluding 530,721,741?

A: 251,647,539

Why is 251,647,539 the sum of all factors of 530,721,741, excluding 530,721,741?

The factors of the number 530,721,741 are: 1, 3, 11, 33, 131, 293, 393, 419, 879, 1257, 1441, 3223, 4323, 4609, 9669, 13827, 38383, 54889, 115149, 122767, 164667, 368301, 422213, 603779, 1266639, 1350437, 1811337, 4051311, 16082477, 48247431, 176907247, 530721741.

If you add them up, you will get the total of 530,721,992. Now subtract 530,721,741 to get 251,647,539