Q: What is the sum of all factors of the number 404,761,656 excluding 404,761,656?

A: 684,982,104

Why is 684,982,104 the sum of all factors of 404,761,656, excluding 404,761,656?

The factors of the number 404,761,656 are: 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1297313, 2594626, 3891939, 5189252, 7783878, 10378504, 15567756, 16865069, 31135512, 33730138, 50595207, 67460276, 101190414, 134920552, 202380828, 404761656.

If you add them up, you will get the total of 404,762,340. Now subtract 404,761,656 to get 684,982,104