821915244

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{2339}}^1$

素因数の和:2619

約数の個数: 72

約数和(自身を含む): 2136214080

約数和(自身を除く): 1314298836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 227, 258, 387, 454, 516, 681, 774, 908, 1362, 1548, 2043, 2339, 2724, 4086, 4678, 7017, 8172, 9356, 9761, 14034, 19522, 21051, 28068, 29283, 39044, 42102, 58566, 84204, 87849, 100577, 117132, 175698, 201154, 301731, 351396, 402308, 530953, 603462, 905193, 1061906, 1206924, 1592859, 1810386, 2123812, 3185718, 3620772, 4778577, 6371436, 9557154, 19114308, 22830979, 45661958, 68492937, 91323916, 136985874, 205478811, 273971748, 410957622, 821915244]

約数ペア:

[(1, 821915244), (2, 410957622), (3, 273971748), (4, 205478811), (6, 136985874), (9, 91323916), (12, 68492937), (18, 45661958), (36, 22830979), (43, 19114308), (86, 9557154), (129, 6371436), (172, 4778577), (227, 3620772), (258, 3185718), (387, 2123812), (454, 1810386), (516, 1592859), (681, 1206924), (774, 1061906), (908, 905193), (1362, 603462), (1548, 530953), (2043, 402308), (2339, 351396), (2724, 301731), (4086, 201154), (4678, 175698), (7017, 117132), (8172, 100577), (9356, 87849), (9761, 84204), (14034, 58566), (19522, 42102), (21051, 39044), (28068, 29283)]