81735810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209579}}^1$

素因数の和:209602

約数の個数: 32

約数和(自身を含む): 211256640

約数和(自身を除く): 129520830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209579, 419158, 628737, 1047895, 1257474, 2095790, 2724527, 3143685, 5449054, 6287370, 8173581, 13622635, 16347162, 27245270, 40867905, 81735810]

約数ペア:

[(1, 81735810), (2, 40867905), (3, 27245270), (5, 16347162), (6, 13622635), (10, 8173581), (13, 6287370), (15, 5449054), (26, 3143685), (30, 2724527), (39, 2095790), (65, 1257474), (78, 1047895), (130, 628737), (195, 419158), (390, 209579)]