67640209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 92171520

約数和(自身を除く): 24531311

約数列:

[1, 7, 13, 19, 29, 71, 91, 133, 203, 247, 361, 377, 497, 551, 923, 1349, 1729, 2059, 2527, 2639, 3857, 4693, 6461, 7163, 9443, 10469, 14413, 17537, 25631, 26767, 32851, 39121, 50141, 73283, 122759, 136097, 179417, 187369, 273847, 333203, 508573, 743299, 952679, 2332421, 3560011, 5203093, 9662887, 67640209]

約数ペア:

[(1, 67640209), (7, 9662887), (13, 5203093), (19, 3560011), (29, 2332421), (71, 952679), (91, 743299), (133, 508573), (203, 333203), (247, 273847), (361, 187369), (377, 179417), (497, 136097), (551, 122759), (923, 73283), (1349, 50141), (1729, 39121), (2059, 32851), (2527, 26767), (2639, 25631), (3857, 17537), (4693, 14413), (6461, 10469), (7163, 9443)]