Q: What is the sum of all factors of the number 520,055,459 excluding 520,055,459?

A: 159,712,861

Why is 159,712,861 the sum of all factors of 520,055,459, excluding 520,055,459?

The factors of the number 520,055,459 are: 1, 7, 11, 43, 77, 109, 121, 131, 301, 473, 763, 847, 917, 1199, 1441, 3311, 4687, 5203, 5633, 8393, 10087, 13189, 14279, 15851, 32809, 36421, 39431, 51557, 61963, 92323, 99953, 110957, 157069, 360899, 433741, 567127, 613997, 681593, 1099483, 1727759, 3969889, 4297979, 4771151, 6753967, 12094313, 47277769, 74293637, 520055459.

If you add them up, you will get the total of 520,055,618. Now subtract 520,055,459 to get 159,712,861