868889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 1075200

約数和(自身を除く): 206311

約数列:

[1, 7, 19, 47, 133, 139, 329, 893, 973, 2641, 6251, 6533, 18487, 45731, 124127, 868889]

約数ペア:

[(1, 868889), (7, 124127), (19, 45731), (47, 18487), (133, 6533), (139, 6251), (329, 2641), (893, 973)]