Q: What is the sum of all factors of the number 221,212,012 excluding 221,212,012?

 A: 225,277,108

Why is 225,277,108 the sum of all factors of 221,212,012, excluding 221,212,012?

The factors of the number 221,212,012 are: 1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 72481, 144962, 289924, 507367, 1014734, 2029468, 7900429, 15800858, 31601716, 55303003, 110606006, 221212012.

If you add them up, you will get the total of 221,212,237. Now subtract 221,212,012 to get 225,277,108


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