816173709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 1280160000

約数和(自身を除く): 463986291

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 361, 377, 551, 741, 1083, 1131, 1653, 1999, 4693, 5997, 7163, 10469, 14079, 21489, 25987, 31407, 37981, 57971, 77961, 113943, 136097, 173913, 408291, 493753, 721639, 753623, 1101449, 1481259, 2164917, 2260869, 3304347, 9381307, 14318837, 20927531, 28143921, 42956511, 62782593, 272057903, 816173709]

約数ペア:

[(1, 816173709), (3, 272057903), (13, 62782593), (19, 42956511), (29, 28143921), (39, 20927531), (57, 14318837), (87, 9381307), (247, 3304347), (361, 2260869), (377, 2164917), (551, 1481259), (741, 1101449), (1083, 753623), (1131, 721639), (1653, 493753), (1999, 408291), (4693, 173913), (5997, 136097), (7163, 113943), (10469, 77961), (14079, 57971), (21489, 37981), (25987, 31407)]