66440735

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 81326592

約数和(自身を除く): 14885857

約数列:

[1, 5, 71, 211, 355, 887, 1055, 4435, 14981, 62977, 74905, 187157, 314885, 935785, 13288147, 66440735]

約数ペア:

[(1, 66440735), (5, 13288147), (71, 935785), (211, 314885), (355, 187157), (887, 74905), (1055, 62977), (4435, 14981)]