139972721

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{7211}}^1$

素因数の和:7324

約数の個数: 16

約数和(自身を含む): 166164480

約数和(自身を除く): 26191759

約数列:

[1, 7, 47, 59, 329, 413, 2773, 7211, 19411, 50477, 338917, 425449, 2372419, 2978143, 19996103, 139972721]

約数ペア:

[(1, 139972721), (7, 19996103), (47, 2978143), (59, 2372419), (329, 425449), (413, 338917), (2773, 50477), (7211, 19411)]