Q: What is the sum of all factors of the number 561,318,066 excluding 561,318,066?

A: 688,717,134

Why is 688,717,134 the sum of all factors of 561,318,066, excluding 561,318,066?

The factors of the number 561,318,066 are: 1, 2, 3, 6, 9, 18, 27, 54, 479, 958, 1437, 2874, 4311, 8622, 12933, 21701, 25866, 43402, 65103, 130206, 195309, 390618, 585927, 1171854, 10394779, 20789558, 31184337, 62368674, 93553011, 187106022, 280659033, 561318066.

If you add them up, you will get the total of 561,318,754. Now subtract 561,318,066 to get 688,717,134