1904161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 2329600

約数和(自身を除く): 425439

約数列:

[1, 7, 19, 103, 133, 139, 721, 973, 1957, 2641, 13699, 14317, 18487, 100219, 272023, 1904161]

約数ペア:

[(1, 1904161), (7, 272023), (19, 100219), (103, 18487), (133, 14317), (139, 13699), (721, 2641), (973, 1957)]