2008057821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2281}}^1$

素因数の和:2442

約数の個数: 64

約数和(自身を含む): 3463090176

約数和(自身を除く): 1455032355

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 103, 111, 231, 259, 309, 407, 721, 777, 1133, 1221, 2163, 2281, 2849, 3399, 3811, 6843, 7931, 8547, 11433, 15967, 23793, 25091, 26677, 41921, 47901, 75273, 80031, 84397, 125763, 175637, 234943, 253191, 293447, 526911, 590779, 704829, 880341, 928367, 1644601, 1772337, 2584373, 2785101, 4933803, 6498569, 7753119, 8692891, 18090611, 19495707, 26078673, 54271833, 60850237, 95621801, 182550711, 286865403, 669352607, 2008057821]

約数ペア:

[(1, 2008057821), (3, 669352607), (7, 286865403), (11, 182550711), (21, 95621801), (33, 60850237), (37, 54271833), (77, 26078673), (103, 19495707), (111, 18090611), (231, 8692891), (259, 7753119), (309, 6498569), (407, 4933803), (721, 2785101), (777, 2584373), (1133, 1772337), (1221, 1644601), (2163, 928367), (2281, 880341), (2849, 704829), (3399, 590779), (3811, 526911), (6843, 293447), (7931, 253191), (8547, 234943), (11433, 175637), (15967, 125763), (23793, 84397), (25091, 80031), (26677, 75273), (41921, 47901)]