78860621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 98187840

約数和(自身を除く): 19327219

約数列:

[1, 7, 19, 31, 133, 217, 589, 617, 961, 4123, 4319, 6727, 11723, 18259, 19127, 82061, 127813, 133889, 363413, 592937, 2543891, 4150559, 11265803, 78860621]

約数ペア:

[(1, 78860621), (7, 11265803), (19, 4150559), (31, 2543891), (133, 592937), (217, 363413), (589, 133889), (617, 127813), (961, 82061), (4123, 19127), (4319, 18259), (6727, 11723)]