1818781314

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{41519}}^1$

素因数の和:41687

約数の個数: 48

約数和(自身を含む): 4259952000

約数和(自身を除く): 2441170686

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 149, 294, 298, 447, 894, 1043, 2086, 3129, 6258, 7301, 14602, 21903, 41519, 43806, 83038, 124557, 249114, 290633, 581266, 871899, 1743798, 2034431, 4068862, 6103293, 6186331, 12206586, 12372662, 18558993, 37117986, 43304317, 86608634, 129912951, 259825902, 303130219, 606260438, 909390657, 1818781314]

約数ペア:

[(1, 1818781314), (2, 909390657), (3, 606260438), (6, 303130219), (7, 259825902), (14, 129912951), (21, 86608634), (42, 43304317), (49, 37117986), (98, 18558993), (147, 12372662), (149, 12206586), (294, 6186331), (298, 6103293), (447, 4068862), (894, 2034431), (1043, 1743798), (2086, 871899), (3129, 581266), (6258, 290633), (7301, 249114), (14602, 124557), (21903, 83038), (41519, 43806)]