289381939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{221071}}^1$

素因数の和:221106

約数の個数: 16

約数和(自身を含む): 382012416

約数和(自身を除く): 92630477

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 221071, 1547497, 2431781, 3758207, 17022467, 26307449, 41340277, 289381939]

約数ペア:

[(1, 289381939), (7, 41340277), (11, 26307449), (17, 17022467), (77, 3758207), (119, 2431781), (187, 1547497), (1309, 221071)]