2018726801

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 2744297280

約数和(自身を除く): 725570479

約数列:

[1, 7, 13, 19, 29, 91, 133, 163, 169, 203, 247, 361, 377, 551, 1141, 1183, 1729, 2119, 2527, 2639, 3097, 3211, 3857, 4693, 4727, 4901, 7163, 10469, 14833, 21679, 22477, 27547, 32851, 33089, 34307, 40261, 50141, 58843, 61009, 61451, 73283, 89813, 93119, 136097, 192829, 281827, 411901, 427063, 430157, 523393, 628691, 651833, 764959, 798863, 952679, 1167569, 1706447, 1769261, 3663751, 5354713, 5592041, 8172983, 9944467, 11945129, 12384827, 15178397, 22183811, 69611269, 106248779, 155286677, 288389543, 2018726801]

約数ペア:

[(1, 2018726801), (7, 288389543), (13, 155286677), (19, 106248779), (29, 69611269), (91, 22183811), (133, 15178397), (163, 12384827), (169, 11945129), (203, 9944467), (247, 8172983), (361, 5592041), (377, 5354713), (551, 3663751), (1141, 1769261), (1183, 1706447), (1729, 1167569), (2119, 952679), (2527, 798863), (2639, 764959), (3097, 651833), (3211, 628691), (3857, 523393), (4693, 430157), (4727, 427063), (4901, 411901), (7163, 281827), (10469, 192829), (14833, 136097), (21679, 93119), (22477, 89813), (27547, 73283), (32851, 61451), (33089, 61009), (34307, 58843), (40261, 50141)]