Q: What is the sum of all factors of the number 121,151,238 excluding 121,151,238?

A: 143,376,858

Why is 143,376,858 the sum of all factors of 121,151,238, excluding 121,151,238?

The factors of the number 121,151,238 are: 1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 5694, 21277, 42554, 63831, 127662, 276601, 553202, 829803, 1553221, 1659606, 3106442, 4659663, 9319326, 20191873, 40383746, 60575619, 121151238.

If you add them up, you will get the total of 121,151,381. Now subtract 121,151,238 to get 143,376,858