Q: What is the sum of all factors of the number 423,256,143 excluding 423,256,143?

A: 177,396,657

Why is 177,396,657 the sum of all factors of 423,256,143, excluding 423,256,143?

The factors of the number 423,256,143 are: 1, 3, 23, 69, 89, 157, 267, 439, 471, 1317, 2047, 3611, 6141, 10097, 10833, 13973, 30291, 39071, 41919, 68923, 117213, 206769, 321379, 898633, 964137, 1585229, 2695899, 4755687, 6134147, 18402441, 141085381, 423256143.

If you add them up, you will get the total of 423,256,320. Now subtract 423,256,143 to get 177,396,657