211257228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1016

約数の個数: 144

約数和(自身を含む): 639485280

約数和(自身を除く): 428228052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 49, 52, 58, 78, 84, 87, 91, 98, 116, 147, 156, 174, 182, 196, 203, 273, 294, 348, 364, 377, 406, 546, 588, 609, 637, 754, 812, 953, 1092, 1131, 1218, 1274, 1421, 1508, 1906, 1911, 2262, 2436, 2548, 2639, 2842, 2859, 3812, 3822, 4263, 4524, 5278, 5684, 5718, 6671, 7644, 7917, 8526, 10556, 11436, 12389, 13342, 15834, 17052, 18473, 20013, 24778, 26684, 27637, 31668, 36946, 37167, 40026, 46697, 49556, 55274, 55419, 73892, 74334, 80052, 82911, 86723, 93394, 110548, 110838, 140091, 148668, 165822, 173446, 186788, 193459, 221676, 260169, 280182, 331644, 346892, 359281, 386918, 520338, 560364, 580377, 607061, 718562, 773836, 1040676, 1077843, 1160754, 1214122, 1354213, 1437124, 1821183, 2155686, 2321508, 2428244, 2514967, 2708426, 3642366, 4062639, 4311372, 5029934, 5416852, 7284732, 7544901, 8125278, 10059868, 15089802, 16250556, 17604769, 30179604, 35209538, 52814307, 70419076, 105628614, 211257228]

約数ペア:

[(1, 211257228), (2, 105628614), (3, 70419076), (4, 52814307), (6, 35209538), (7, 30179604), (12, 17604769), (13, 16250556), (14, 15089802), (21, 10059868), (26, 8125278), (28, 7544901), (29, 7284732), (39, 5416852), (42, 5029934), (49, 4311372), (52, 4062639), (58, 3642366), (78, 2708426), (84, 2514967), (87, 2428244), (91, 2321508), (98, 2155686), (116, 1821183), (147, 1437124), (156, 1354213), (174, 1214122), (182, 1160754), (196, 1077843), (203, 1040676), (273, 773836), (294, 718562), (348, 607061), (364, 580377), (377, 560364), (406, 520338), (546, 386918), (588, 359281), (609, 346892), (637, 331644), (754, 280182), (812, 260169), (953, 221676), (1092, 193459), (1131, 186788), (1218, 173446), (1274, 165822), (1421, 148668), (1508, 140091), (1906, 110838), (1911, 110548), (2262, 93394), (2436, 86723), (2548, 82911), (2639, 80052), (2842, 74334), (2859, 73892), (3812, 55419), (3822, 55274), (4263, 49556), (4524, 46697), (5278, 40026), (5684, 37167), (5718, 36946), (6671, 31668), (7644, 27637), (7917, 26684), (8526, 24778), (10556, 20013), (11436, 18473), (12389, 17052), (13342, 15834)]