Q: What is the sum of all factors of the number 615,664 excluding 615,664?

A: 812,816

Why is 812,816 the sum of all factors of 615,664, excluding 615,664?

The factors of the number 615,664 are: 1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 239, 322, 368, 478, 644, 956, 1288, 1673, 1912, 2576, 3346, 3824, 5497, 6692, 10994, 13384, 21988, 26768, 38479, 43976, 76958, 87952, 153916, 307832, 615664.

If you add them up, you will get the total of 616,476. Now subtract 615,664 to get 812,816