138237568

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 333123840

約数和(自身を除く): 194886272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 53, 56, 64, 71, 82, 106, 112, 128, 142, 164, 212, 224, 284, 287, 328, 371, 424, 448, 497, 568, 574, 656, 742, 848, 896, 994, 1136, 1148, 1312, 1484, 1696, 1988, 2173, 2272, 2296, 2624, 2911, 2968, 3392, 3763, 3976, 4346, 4544, 4592, 5248, 5822, 5936, 6784, 7526, 7952, 8692, 9088, 9184, 11644, 11872, 15052, 15211, 15904, 17384, 18368, 20377, 23288, 23744, 26341, 30104, 30422, 31808, 34768, 36736, 40754, 46576, 47488, 52682, 60208, 60844, 63616, 69536, 81508, 93152, 105364, 120416, 121688, 139072, 154283, 163016, 186304, 210728, 240832, 243376, 278144, 308566, 326032, 372608, 421456, 481664, 486752, 617132, 652064, 842912, 973504, 1079981, 1234264, 1304128, 1685824, 1947008, 2159962, 2468528, 2608256, 3371648, 4319924, 4937056, 8639848, 9874112, 17279696, 19748224, 34559392, 69118784, 138237568]

約数ペア:

[(1, 138237568), (2, 69118784), (4, 34559392), (7, 19748224), (8, 17279696), (14, 9874112), (16, 8639848), (28, 4937056), (32, 4319924), (41, 3371648), (53, 2608256), (56, 2468528), (64, 2159962), (71, 1947008), (82, 1685824), (106, 1304128), (112, 1234264), (128, 1079981), (142, 973504), (164, 842912), (212, 652064), (224, 617132), (284, 486752), (287, 481664), (328, 421456), (371, 372608), (424, 326032), (448, 308566), (497, 278144), (568, 243376), (574, 240832), (656, 210728), (742, 186304), (848, 163016), (896, 154283), (994, 139072), (1136, 121688), (1148, 120416), (1312, 105364), (1484, 93152), (1696, 81508), (1988, 69536), (2173, 63616), (2272, 60844), (2296, 60208), (2624, 52682), (2911, 47488), (2968, 46576), (3392, 40754), (3763, 36736), (3976, 34768), (4346, 31808), (4544, 30422), (4592, 30104), (5248, 26341), (5822, 23744), (5936, 23288), (6784, 20377), (7526, 18368), (7952, 17384), (8692, 15904), (9088, 15211), (9184, 15052), (11644, 11872)]