211398516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{28927}}^1$

素因数の和:28973

約数の個数: 72

約数和(自身を含む): 631787520

約数和(自身を除く): 420389004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 28927, 57854, 86781, 115708, 173562, 202489, 260343, 347124, 404978, 520686, 607467, 809956, 838883, 1041372, 1214934, 1677766, 1822401, 2429868, 2516649, 3355532, 3644802, 5033298, 5872181, 7289604, 7549947, 10066596, 11744362, 15099894, 17616543, 23488724, 30199788, 35233086, 52849629, 70466172, 105699258, 211398516]

約数ペア:

[(1, 211398516), (2, 105699258), (3, 70466172), (4, 52849629), (6, 35233086), (7, 30199788), (9, 23488724), (12, 17616543), (14, 15099894), (18, 11744362), (21, 10066596), (28, 7549947), (29, 7289604), (36, 5872181), (42, 5033298), (58, 3644802), (63, 3355532), (84, 2516649), (87, 2429868), (116, 1822401), (126, 1677766), (174, 1214934), (203, 1041372), (252, 838883), (261, 809956), (348, 607467), (406, 520686), (522, 404978), (609, 347124), (812, 260343), (1044, 202489), (1218, 173562), (1827, 115708), (2436, 86781), (3654, 57854), (7308, 28927)]