Q: What is the sum of all factors of the number 725,705,565 excluding 725,705,565?

A: 536,463,651

Why is 536,463,651 the sum of all factors of 725,705,565, excluding 725,705,565?

The factors of the number 725,705,565 are: 1, 3, 5, 13, 15, 39, 65, 107, 195, 321, 535, 1391, 1605, 4173, 6955, 20865, 34781, 104343, 173905, 452153, 521715, 1356459, 2260765, 3721567, 6782295, 11164701, 18607835, 48380371, 55823505, 145141113, 241901855, 725705565.

If you add them up, you will get the total of 725,706,101. Now subtract 725,705,565 to get 536,463,651