Q: What is the sum of all factors of the number 255,486 excluding 255,486?

A: 401,154

Why is 401,154 the sum of all factors of 255,486, excluding 255,486?

The factors of the number 255,486 are: 1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 79, 98, 147, 154, 158, 231, 237, 294, 462, 474, 539, 553, 869, 1078, 1106, 1617, 1659, 1738, 2607, 3234, 3318, 3871, 5214, 6083, 7742, 11613, 12166, 18249, 23226, 36498, 42581, 85162, 127743, 255486.

If you add them up, you will get the total of 255,887. Now subtract 255,486 to get 401,154