Q: What is the sum of all factors of the number 413,404,665 excluding 413,404,665?

A: 257,197,575

Why is 257,197,575 the sum of all factors of 413,404,665, excluding 413,404,665?

The factors of the number 413,404,665 are: 1, 3, 5, 15, 107, 307, 321, 535, 839, 921, 1535, 1605, 2517, 4195, 4605, 12585, 32849, 89773, 98547, 164245, 257573, 269319, 448865, 492735, 772719, 1287865, 1346595, 3863595, 27560311, 82680933, 137801555, 413404665.

If you add them up, you will get the total of 413,404,922. Now subtract 413,404,665 to get 257,197,575