138810112

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 321414912

約数和(自身を除く): 182604800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1091, 1136, 1792, 1988, 2182, 2272, 3976, 4364, 4544, 7637, 7952, 8728, 9088, 15274, 15904, 17456, 18176, 30548, 31808, 34912, 61096, 63616, 69824, 77461, 122192, 127232, 139648, 154922, 244384, 279296, 309844, 488768, 542227, 619688, 977536, 1084454, 1239376, 1955072, 2168908, 2478752, 4337816, 4957504, 8675632, 9915008, 17351264, 19830016, 34702528, 69405056, 138810112]

約数ペア:

[(1, 138810112), (2, 69405056), (4, 34702528), (7, 19830016), (8, 17351264), (14, 9915008), (16, 8675632), (28, 4957504), (32, 4337816), (56, 2478752), (64, 2168908), (71, 1955072), (112, 1239376), (128, 1084454), (142, 977536), (224, 619688), (256, 542227), (284, 488768), (448, 309844), (497, 279296), (568, 244384), (896, 154922), (994, 139648), (1091, 127232), (1136, 122192), (1792, 77461), (1988, 69824), (2182, 63616), (2272, 61096), (3976, 34912), (4364, 31808), (4544, 30548), (7637, 18176), (7952, 17456), (8728, 15904), (9088, 15274)]