Q: What is the sum of all factors of the number 261,936 excluding 261,936?

A: 521,496

Why is 521,496 the sum of all factors of 261,936, excluding 261,936?

The factors of the number 261,936 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 107, 136, 144, 153, 204, 214, 272, 306, 321, 408, 428, 612, 642, 816, 856, 963, 1224, 1284, 1712, 1819, 1926, 2448, 2568, 3638, 3852, 5136, 5457, 7276, 7704, 10914, 14552, 15408, 16371, 21828, 29104, 32742, 43656, 65484, 87312, 130968, 261936.

If you add them up, you will get the total of 262,457. Now subtract 261,936 to get 521,496