12540138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 27669600

約数和(自身を除く): 15129462

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 149, 166, 169, 249, 298, 338, 447, 498, 507, 894, 1014, 1079, 1937, 2158, 3237, 3874, 5811, 6474, 11622, 12367, 14027, 24734, 25181, 28054, 37101, 42081, 50362, 74202, 75543, 84162, 151086, 160771, 321542, 482313, 964626, 2090023, 4180046, 6270069, 12540138]

約数ペア:

[(1, 12540138), (2, 6270069), (3, 4180046), (6, 2090023), (13, 964626), (26, 482313), (39, 321542), (78, 160771), (83, 151086), (149, 84162), (166, 75543), (169, 74202), (249, 50362), (298, 42081), (338, 37101), (447, 28054), (498, 25181), (507, 24734), (894, 14027), (1014, 12367), (1079, 11622), (1937, 6474), (2158, 5811), (3237, 3874)]