85866571

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 103650624

約数和(自身を除く): 17784053

約数列:

[1, 7, 43, 49, 83, 301, 491, 581, 2107, 3437, 3569, 4067, 21113, 24059, 24983, 40753, 147791, 174881, 285271, 1034537, 1752379, 1996897, 12266653, 85866571]

約数ペア:

[(1, 85866571), (7, 12266653), (43, 1996897), (49, 1752379), (83, 1034537), (301, 285271), (491, 174881), (581, 147791), (2107, 40753), (3437, 24983), (3569, 24059), (4067, 21113)]