Q: What is the sum of all factors of the number 1,297,373 excluding 1,297,373?

Why is 426,307 the sum of all factors of 1,297,373, excluding 1,297,373?

The factors of the number 1,297,373 are: 1, 7, 11, 29, 49, 77, 83, 203, 319, 539, 581, 913, 1421, 2233, 2407, 4067, 6391, 15631, 16849, 26477, 44737, 117943, 185339, 1297373.

If you add them up, you will get the total of 1,297,799. Now subtract 1,297,373 to get 426,307

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