Q: What is the sum of all factors of the number 256,401,336 excluding 256,401,336?

A: 385,174,104

Why is 385,174,104 the sum of all factors of 256,401,336, excluding 256,401,336?

The factors of the number 256,401,336 are: 1, 2, 3, 4, 6, 8, 12, 24, 1297, 2594, 3891, 5188, 7782, 8237, 10376, 15564, 16474, 24711, 31128, 32948, 49422, 65896, 98844, 197688, 10683389, 21366778, 32050167, 42733556, 64100334, 85467112, 128200668, 256401336.

If you add them up, you will get the total of 256,401,721. Now subtract 256,401,336 to get 385,174,104