212859136

素因数分解:

$2^8\times 7^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 108

約数和(自身を含む): 503314560

約数和(自身を除く): 290455424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 142, 196, 224, 239, 256, 284, 392, 448, 478, 497, 568, 784, 896, 956, 994, 1136, 1568, 1673, 1792, 1912, 1988, 2272, 3136, 3346, 3479, 3824, 3976, 4544, 6272, 6692, 6958, 7648, 7952, 9088, 11711, 12544, 13384, 13916, 15296, 15904, 16969, 18176, 23422, 26768, 27832, 30592, 31808, 33938, 46844, 53536, 55664, 61184, 63616, 67876, 93688, 107072, 111328, 118783, 127232, 135752, 187376, 214144, 222656, 237566, 271504, 374752, 428288, 445312, 475132, 543008, 749504, 831481, 890624, 950264, 1086016, 1499008, 1662962, 1900528, 2172032, 2998016, 3325924, 3801056, 4344064, 6651848, 7602112, 13303696, 15204224, 26607392, 30408448, 53214784, 106429568, 212859136]

約数ペア:

[(1, 212859136), (2, 106429568), (4, 53214784), (7, 30408448), (8, 26607392), (14, 15204224), (16, 13303696), (28, 7602112), (32, 6651848), (49, 4344064), (56, 3801056), (64, 3325924), (71, 2998016), (98, 2172032), (112, 1900528), (128, 1662962), (142, 1499008), (196, 1086016), (224, 950264), (239, 890624), (256, 831481), (284, 749504), (392, 543008), (448, 475132), (478, 445312), (497, 428288), (568, 374752), (784, 271504), (896, 237566), (956, 222656), (994, 214144), (1136, 187376), (1568, 135752), (1673, 127232), (1792, 118783), (1912, 111328), (1988, 107072), (2272, 93688), (3136, 67876), (3346, 63616), (3479, 61184), (3824, 55664), (3976, 53536), (4544, 46844), (6272, 33938), (6692, 31808), (6958, 30592), (7648, 27832), (7952, 26768), (9088, 23422), (11711, 18176), (12544, 16969), (13384, 15904), (13916, 15296)]