Q: What is the sum of all factors of the number 128,306,031 excluding 128,306,031?

 A: 77,498,769

Why is 77,498,769 the sum of all factors of 128,306,031, excluding 128,306,031?

The factors of the number 128,306,031 are: 1, 3, 7, 19, 21, 57, 133, 399, 321569, 964707, 2250983, 6109811, 6752949, 18329433, 42768677, 128306031.

If you add them up, you will get the total of 128,306,108. Now subtract 128,306,031 to get 77,498,769


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