72167641

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 90956040

約数和(自身を除く): 18788399

約数列:

[1, 7, 13, 49, 91, 277, 409, 637, 1939, 2863, 3601, 5317, 13573, 20041, 25207, 37219, 113293, 176449, 260533, 793051, 1472809, 5551357, 10309663, 72167641]

約数ペア:

[(1, 72167641), (7, 10309663), (13, 5551357), (49, 1472809), (91, 793051), (277, 260533), (409, 176449), (637, 113293), (1939, 37219), (2863, 25207), (3601, 20041), (5317, 13573)]