139191808

素因数分解:

$2^9\times 7^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 80

約数和(自身を含む): 322907904

約数和(自身を除く): 183716096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 512, 547, 568, 896, 994, 1094, 1136, 1792, 1988, 2188, 2272, 3584, 3829, 3976, 4376, 4544, 7658, 7952, 8752, 9088, 15316, 15904, 17504, 18176, 30632, 31808, 35008, 36352, 38837, 61264, 63616, 70016, 77674, 122528, 127232, 140032, 155348, 245056, 254464, 271859, 280064, 310696, 490112, 543718, 621392, 980224, 1087436, 1242784, 1960448, 2174872, 2485568, 4349744, 4971136, 8699488, 9942272, 17398976, 19884544, 34797952, 69595904, 139191808]

約数ペア:

[(1, 139191808), (2, 69595904), (4, 34797952), (7, 19884544), (8, 17398976), (14, 9942272), (16, 8699488), (28, 4971136), (32, 4349744), (56, 2485568), (64, 2174872), (71, 1960448), (112, 1242784), (128, 1087436), (142, 980224), (224, 621392), (256, 543718), (284, 490112), (448, 310696), (497, 280064), (512, 271859), (547, 254464), (568, 245056), (896, 155348), (994, 140032), (1094, 127232), (1136, 122528), (1792, 77674), (1988, 70016), (2188, 63616), (2272, 61264), (3584, 38837), (3829, 36352), (3976, 35008), (4376, 31808), (4544, 30632), (7658, 18176), (7952, 17504), (8752, 15904), (9088, 15316)]