212345861

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19609}}^1$

素因数の和:19653

約数の個数: 24

約数和(自身を含む): 281678040

約数和(自身を除く): 69332179

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 19609, 137263, 254917, 333353, 960841, 1784419, 2333471, 4333589, 12490933, 16334297, 30335123, 212345861]

約数ペア:

[(1, 212345861), (7, 30335123), (13, 16334297), (17, 12490933), (49, 4333589), (91, 2333471), (119, 1784419), (221, 960841), (637, 333353), (833, 254917), (1547, 137263), (10829, 19609)]