206145145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 264187008

約数和(自身を除く): 58041863

約数列:

[1, 5, 17, 85, 289, 331, 431, 1445, 1655, 2155, 5627, 7327, 28135, 36635, 95659, 124559, 142661, 478295, 622795, 713305, 2425237, 12126185, 41229029, 206145145]

約数ペア:

[(1, 206145145), (5, 41229029), (17, 12126185), (85, 2425237), (289, 713305), (331, 622795), (431, 478295), (1445, 142661), (1655, 124559), (2155, 95659), (5627, 36635), (7327, 28135)]