211931447

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{4093}}^1$

素因数の和:4682

約数の個数: 16

約数和(自身を含む): 261360960

約数和(自身を除く): 49429513

約数列:

[1, 7, 13, 91, 569, 3983, 4093, 7397, 28651, 51779, 53209, 372463, 2328917, 16302419, 30275921, 211931447]

約数ペア:

[(1, 211931447), (7, 30275921), (13, 16302419), (91, 2328917), (569, 372463), (3983, 53209), (4093, 51779), (7397, 28651)]