Q: What is the sum of all factors of the number 400,351,518 excluding 400,351,518?

A: 616,415,202

Why is 616,415,202 the sum of all factors of 400,351,518, excluding 400,351,518?

The factors of the number 400,351,518 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1059131, 2118262, 3177393, 6354786, 7413917, 9532179, 14827834, 19064358, 22241751, 28596537, 44483502, 57193074, 66725253, 133450506, 200175759, 400351518.

If you add them up, you will get the total of 400,352,134. Now subtract 400,351,518 to get 616,415,202