Q: What is the sum of all factors of the number 100,321,641 excluding 100,321,641?

A: 78,851,223

Why is 78,851,223 the sum of all factors of 100,321,641, excluding 100,321,641?

The factors of the number 100,321,641 are: 1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 329, 357, 423, 799, 987, 1071, 1993, 2397, 2961, 5593, 5979, 7191, 13951, 16779, 17937, 33881, 41853, 50337, 93671, 101643, 125559, 237167, 281013, 304929, 655697, 711501, 843039, 1592407, 1967091, 2134503, 4777221, 5901273, 11146849, 14331663, 33440547, 100321641.

If you add them up, you will get the total of 100,321,719. Now subtract 100,321,641 to get 78,851,223