858858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:60

約数の個数: 72

約数和(自身を含む): 2336544

約数和(自身を除く): 1477686

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 121, 143, 154, 169, 182, 231, 242, 273, 286, 338, 363, 429, 462, 507, 546, 726, 847, 858, 1001, 1014, 1183, 1573, 1694, 1859, 2002, 2366, 2541, 3003, 3146, 3549, 3718, 4719, 5082, 5577, 6006, 7098, 9438, 11011, 11154, 13013, 20449, 22022, 26026, 33033, 39039, 40898, 61347, 66066, 78078, 122694, 143143, 286286, 429429, 858858]

約数ペア:

[(1, 858858), (2, 429429), (3, 286286), (6, 143143), (7, 122694), (11, 78078), (13, 66066), (14, 61347), (21, 40898), (22, 39039), (26, 33033), (33, 26026), (39, 22022), (42, 20449), (66, 13013), (77, 11154), (78, 11011), (91, 9438), (121, 7098), (143, 6006), (154, 5577), (169, 5082), (182, 4719), (231, 3718), (242, 3549), (273, 3146), (286, 3003), (338, 2541), (363, 2366), (429, 2002), (462, 1859), (507, 1694), (546, 1573), (726, 1183), (847, 1014), (858, 1001)]