208519311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3019}}^1$

素因数の和:3076

約数の個数: 64

約数和(自身を含む): 389652480

約数和(自身を除く): 181133169

約数列:

[1, 3, 7, 11, 13, 21, 23, 33, 39, 69, 77, 91, 143, 161, 231, 253, 273, 299, 429, 483, 759, 897, 1001, 1771, 2093, 3003, 3019, 3289, 5313, 6279, 9057, 9867, 21133, 23023, 33209, 39247, 63399, 69069, 69437, 99627, 117741, 208311, 232463, 274729, 431717, 486059, 697389, 763807, 824187, 902681, 1295151, 1458177, 2291421, 2708043, 3022019, 5346649, 6318767, 9066057, 9929491, 16039947, 18956301, 29788473, 69506437, 208519311]

約数ペア:

[(1, 208519311), (3, 69506437), (7, 29788473), (11, 18956301), (13, 16039947), (21, 9929491), (23, 9066057), (33, 6318767), (39, 5346649), (69, 3022019), (77, 2708043), (91, 2291421), (143, 1458177), (161, 1295151), (231, 902681), (253, 824187), (273, 763807), (299, 697389), (429, 486059), (483, 431717), (759, 274729), (897, 232463), (1001, 208311), (1771, 117741), (2093, 99627), (3003, 69437), (3019, 69069), (3289, 63399), (5313, 39247), (6279, 33209), (9057, 23023), (9867, 21133)]