Q: What is the sum of all factors of the number 231,420,371 excluding 231,420,371?

A: 71,947,309

Why is 71,947,309 the sum of all factors of 231,420,371, excluding 231,420,371?

The factors of the number 231,420,371 are: 1, 7, 13, 17, 91, 119, 221, 227, 659, 1547, 1589, 2951, 3859, 4613, 8567, 11203, 20657, 27013, 50167, 59969, 78421, 145639, 149593, 351169, 1019473, 1047151, 1944709, 2543081, 13612963, 17801567, 33060053, 231420371.

If you add them up, you will get the total of 231,420,442. Now subtract 231,420,371 to get 71,947,309