28688912

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 70906176

約数和(自身を除く): 42217264

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 43, 46, 49, 56, 74, 86, 92, 98, 112, 148, 161, 172, 184, 196, 259, 296, 301, 322, 344, 368, 392, 518, 592, 602, 644, 688, 784, 851, 989, 1036, 1127, 1204, 1288, 1591, 1702, 1813, 1978, 2072, 2107, 2254, 2408, 2576, 3182, 3404, 3626, 3956, 4144, 4214, 4508, 4816, 5957, 6364, 6808, 6923, 7252, 7912, 8428, 9016, 11137, 11914, 12728, 13616, 13846, 14504, 15824, 16856, 18032, 22274, 23828, 25456, 27692, 29008, 33712, 36593, 41699, 44548, 47656, 48461, 55384, 73186, 77959, 83398, 89096, 95312, 96922, 110768, 146372, 155918, 166796, 178192, 193844, 256151, 292744, 311836, 333592, 387688, 512302, 585488, 623672, 667184, 775376, 1024604, 1247344, 1793057, 2049208, 3586114, 4098416, 7172228, 14344456, 28688912]

約数ペア:

[(1, 28688912), (2, 14344456), (4, 7172228), (7, 4098416), (8, 3586114), (14, 2049208), (16, 1793057), (23, 1247344), (28, 1024604), (37, 775376), (43, 667184), (46, 623672), (49, 585488), (56, 512302), (74, 387688), (86, 333592), (92, 311836), (98, 292744), (112, 256151), (148, 193844), (161, 178192), (172, 166796), (184, 155918), (196, 146372), (259, 110768), (296, 96922), (301, 95312), (322, 89096), (344, 83398), (368, 77959), (392, 73186), (518, 55384), (592, 48461), (602, 47656), (644, 44548), (688, 41699), (784, 36593), (851, 33712), (989, 29008), (1036, 27692), (1127, 25456), (1204, 23828), (1288, 22274), (1591, 18032), (1702, 16856), (1813, 15824), (1978, 14504), (2072, 13846), (2107, 13616), (2254, 12728), (2408, 11914), (2576, 11137), (3182, 9016), (3404, 8428), (3626, 7912), (3956, 7252), (4144, 6923), (4214, 6808), (4508, 6364), (4816, 5957)]