398730241

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{118423}}^1$

素因数の和:118480

約数の個数: 16

約数和(自身を含む): 504012544

約数和(自身を除く): 105282303

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 118423, 828961, 1539499, 4381651, 10776493, 30671557, 56961463, 398730241]

約数ペア:

[(1, 398730241), (7, 56961463), (13, 30671557), (37, 10776493), (91, 4381651), (259, 1539499), (481, 828961), (3367, 118423)]