Q: What is the sum of all factors of the number 77,428,131 excluding 77,428,131?

 A: 39,419,229

Why is 39,419,229 the sum of all factors of 77,428,131, excluding 77,428,131?

The factors of the number 77,428,131 are: 1, 3, 11, 33, 41, 89, 123, 267, 451, 643, 979, 1353, 1929, 2937, 3649, 7073, 10947, 21219, 26363, 40139, 57227, 79089, 120417, 171681, 289993, 629497, 869979, 1888491, 2346307, 7038921, 25809377, 77428131.

If you add them up, you will get the total of 77,428,170. Now subtract 77,428,131 to get 39,419,229


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