87021228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 242726400

約数和(自身を除く): 155705172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 139, 174, 203, 257, 278, 348, 406, 417, 514, 556, 609, 771, 812, 834, 973, 1028, 1218, 1542, 1668, 1799, 1946, 2436, 2919, 3084, 3598, 3892, 4031, 5397, 5838, 7196, 7453, 8062, 10794, 11676, 12093, 14906, 16124, 21588, 22359, 24186, 28217, 29812, 35723, 44718, 48372, 52171, 56434, 71446, 84651, 89436, 104342, 107169, 112868, 142892, 156513, 169302, 208684, 214338, 250061, 313026, 338604, 428676, 500122, 626052, 750183, 1000244, 1035967, 1500366, 2071934, 3000732, 3107901, 4143868, 6215802, 7251769, 12431604, 14503538, 21755307, 29007076, 43510614, 87021228]

約数ペア:

[(1, 87021228), (2, 43510614), (3, 29007076), (4, 21755307), (6, 14503538), (7, 12431604), (12, 7251769), (14, 6215802), (21, 4143868), (28, 3107901), (29, 3000732), (42, 2071934), (58, 1500366), (84, 1035967), (87, 1000244), (116, 750183), (139, 626052), (174, 500122), (203, 428676), (257, 338604), (278, 313026), (348, 250061), (406, 214338), (417, 208684), (514, 169302), (556, 156513), (609, 142892), (771, 112868), (812, 107169), (834, 104342), (973, 89436), (1028, 84651), (1218, 71446), (1542, 56434), (1668, 52171), (1799, 48372), (1946, 44718), (2436, 35723), (2919, 29812), (3084, 28217), (3598, 24186), (3892, 22359), (4031, 21588), (5397, 16124), (5838, 14906), (7196, 12093), (7453, 11676), (8062, 10794)]