285220872

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{21647}}^1$

素因数の和:21723

約数の個数: 64

約数和(自身を含む): 805305600

約数和(自身を除く): 520084728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1647, 2196, 3294, 4392, 6588, 13176, 21647, 43294, 64941, 86588, 129882, 173176, 194823, 259764, 389646, 519528, 584469, 779292, 1168938, 1320467, 1558584, 2337876, 2640934, 3961401, 4675752, 5281868, 7922802, 10563736, 11884203, 15845604, 23768406, 31691208, 35652609, 47536812, 71305218, 95073624, 142610436, 285220872]

約数ペア:

[(1, 285220872), (2, 142610436), (3, 95073624), (4, 71305218), (6, 47536812), (8, 35652609), (9, 31691208), (12, 23768406), (18, 15845604), (24, 11884203), (27, 10563736), (36, 7922802), (54, 5281868), (61, 4675752), (72, 3961401), (108, 2640934), (122, 2337876), (183, 1558584), (216, 1320467), (244, 1168938), (366, 779292), (488, 584469), (549, 519528), (732, 389646), (1098, 259764), (1464, 194823), (1647, 173176), (2196, 129882), (3294, 86588), (4392, 64941), (6588, 43294), (13176, 21647)]