128277688

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 310262400

約数和(自身を除く): 181984712

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 71, 77, 88, 98, 142, 154, 196, 284, 308, 392, 419, 497, 539, 568, 616, 781, 838, 994, 1078, 1562, 1676, 1988, 2156, 2933, 3124, 3352, 3479, 3976, 4312, 4609, 5467, 5866, 6248, 6958, 9218, 10934, 11732, 13916, 18436, 20531, 21868, 23464, 27832, 29749, 32263, 36872, 38269, 41062, 43736, 59498, 64526, 76538, 82124, 118996, 129052, 153076, 164248, 208243, 225841, 237992, 258104, 306152, 327239, 416486, 451682, 654478, 832972, 903364, 1308956, 1457701, 1665944, 1806728, 2290673, 2617912, 2915402, 4581346, 5830804, 9162692, 11661608, 16034711, 18325384, 32069422, 64138844, 128277688]

約数ペア:

[(1, 128277688), (2, 64138844), (4, 32069422), (7, 18325384), (8, 16034711), (11, 11661608), (14, 9162692), (22, 5830804), (28, 4581346), (44, 2915402), (49, 2617912), (56, 2290673), (71, 1806728), (77, 1665944), (88, 1457701), (98, 1308956), (142, 903364), (154, 832972), (196, 654478), (284, 451682), (308, 416486), (392, 327239), (419, 306152), (497, 258104), (539, 237992), (568, 225841), (616, 208243), (781, 164248), (838, 153076), (994, 129052), (1078, 118996), (1562, 82124), (1676, 76538), (1988, 64526), (2156, 59498), (2933, 43736), (3124, 41062), (3352, 38269), (3479, 36872), (3976, 32263), (4312, 29749), (4609, 27832), (5467, 23464), (5866, 21868), (6248, 20531), (6958, 18436), (9218, 13916), (10934, 11732)]