Q: What is the sum of all factors of the number 400,240,647 excluding 400,240,647?

 A: 200,861,673

Why is 200,861,673 the sum of all factors of 400,240,647, excluding 400,240,647?

The factors of the number 400,240,647 are: 1, 3, 9, 41, 67, 123, 201, 369, 603, 2747, 8241, 16189, 24723, 48567, 145701, 663749, 1084663, 1991247, 3253989, 5973741, 9761967, 44471183, 133413549, 400240647.

If you add them up, you will get the total of 400,240,847. Now subtract 400,240,647 to get 200,861,673


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