Q: What is the sum of all factors of the number 321,240,143 excluding 321,240,143?

A: 82,895,281

Why is 82,895,281 the sum of all factors of 321,240,143, excluding 321,240,143?

The factors of the number 321,240,143 are: 1, 7, 17, 43, 67, 119, 301, 469, 731, 937, 1139, 2881, 5117, 6559, 7973, 15929, 20167, 40291, 48977, 62779, 111503, 282037, 342839, 439453, 684947, 1067243, 2699497, 4794629, 7470701, 18896479, 45891449, 321240143.

If you add them up, you will get the total of 321,240,225. Now subtract 321,240,143 to get 82,895,281