Q: What is the sum of all factors of the number 76,777,778 excluding 76,777,778?

Why is 66,806,926 the sum of all factors of 76,777,778, excluding 76,777,778?

The factors of the number 76,777,778 are: 1, 2, 7, 11, 14, 22, 77, 154, 498557, 997114, 3489899, 5484127, 6979798, 10968254, 38388889, 76777778.

If you add them up, you will get the total of 76,777,844. Now subtract 76,777,778 to get 66,806,926

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