Q: What is the sum of all factors of the number 172,128 excluding 172,128?

A: 323,808

Why is 323,808 the sum of all factors of 172,128, excluding 172,128?

The factors of the number 172,128 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 163, 176, 264, 326, 352, 489, 528, 652, 978, 1056, 1304, 1793, 1956, 2608, 3586, 3912, 5216, 5379, 7172, 7824, 10758, 14344, 15648, 21516, 28688, 43032, 57376, 86064, 172128.

If you add them up, you will get the total of 172,451. Now subtract 172,128 to get 323,808