Q: What is the sum of all factors of the number 664,642,438 excluding 664,642,438?

 A: 390,966,194

Why is 390,966,194 the sum of all factors of 664,642,438, excluding 664,642,438?

The factors of the number 664,642,438 are: 1, 2, 17, 34, 19548307, 39096614, 332321219, 664642438.

If you add them up, you will get the total of 664,642,828. Now subtract 664,642,438 to get 390,966,194


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