386441575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1609}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 517067600

約数和(自身を除く): 130626025

約数列:

[1, 5, 13, 25, 65, 325, 739, 1609, 3695, 8045, 9607, 18475, 20917, 40225, 48035, 104585, 240175, 522925, 1189051, 5945255, 15457663, 29726275, 77288315, 386441575]

約数ペア:

[(1, 386441575), (5, 77288315), (13, 29726275), (25, 15457663), (65, 5945255), (325, 1189051), (739, 522925), (1609, 240175), (3695, 104585), (8045, 48035), (9607, 40225), (18475, 20917)]