Q: What is the sum of all factors of the number 257,471,085 excluding 257,471,085?

A: 180,535,443

Why is 180,535,443 the sum of all factors of 257,471,085, excluding 257,471,085?

The factors of the number 257,471,085 are: 1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 3657, 6095, 14081, 18285, 42243, 70405, 211215, 323863, 746293, 971589, 1619315, 2238879, 3731465, 4857945, 11194395, 17164739, 51494217, 85823695, 257471085.

If you add them up, you will get the total of 257,471,265. Now subtract 257,471,085 to get 180,535,443