Q: What is the sum of all factors of the number 420,721,301 excluding 420,721,301?
A: 161,116,459
The factors of the number 420,721,301 are: 1, 7, 11, 13, 49, 77, 91, 97, 143, 539, 619, 637, 679, 1001, 1067, 1261, 4333, 4753, 6809, 7007, 7469, 8047, 8827, 13871, 30331, 47663, 52283, 56329, 60043, 61789, 88517, 97097, 333641, 394303, 420301, 619619, 660473, 679679, 780559, 2942107, 4337333, 4623311, 5463913, 8586149, 32363177, 38247391, 60103043, 420721301.
If you add them up, you will get the total of 420,721,462. Now subtract 420,721,301 to get 161,116,459