Q: What is the sum of all factors of the number 787,161,627 excluding 787,161,627?

A: 555,275,469

Why is 555,275,469 the sum of all factors of 787,161,627, excluding 787,161,627?

The factors of the number 787,161,627 are: 1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 1407, 3283, 4221, 9849, 26641, 29547, 79923, 186487, 239769, 559461, 1305409, 1678383, 1784947, 3916227, 5354841, 11748681, 12494629, 16064523, 37483887, 87462403, 112451661, 262387209, 787161627.

If you add them up, you will get the total of 787,162,182. Now subtract 787,161,627 to get 555,275,469