Q: What is the sum of all factors of the number 686,408 excluding 686,408?
A: 609,592
The factors of the number 686,408 are: 1, 2, 4, 8, 239, 359, 478, 718, 956, 1436, 1912, 2872, 85801, 171602, 343204, 686408.
If you add them up, you will get the total of 687,017. Now subtract 686,408 to get 609,592