82905810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212579}}^1$

素因数の和:212602

約数の個数: 32

約数和(自身を含む): 214280640

約数和(自身を除く): 131374830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 212579, 425158, 637737, 1062895, 1275474, 2125790, 2763527, 3188685, 5527054, 6377370, 8290581, 13817635, 16581162, 27635270, 41452905, 82905810]

約数ペア:

[(1, 82905810), (2, 41452905), (3, 27635270), (5, 16581162), (6, 13817635), (10, 8290581), (13, 6377370), (15, 5527054), (26, 3188685), (30, 2763527), (39, 2125790), (65, 1275474), (78, 1062895), (130, 637737), (195, 425158), (390, 212579)]