856899568

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 1937447424

約数和(自身を除く): 1080547856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 197, 284, 394, 497, 547, 568, 788, 994, 1094, 1136, 1379, 1576, 1988, 2188, 2758, 3152, 3829, 3976, 4376, 5516, 7658, 7952, 8752, 11032, 13987, 15316, 22064, 27974, 30632, 38837, 55948, 61264, 77674, 97909, 107759, 111896, 155348, 195818, 215518, 223792, 271859, 310696, 391636, 431036, 543718, 621392, 754313, 783272, 862072, 1087436, 1508626, 1566544, 1724144, 2174872, 3017252, 4349744, 6034504, 7650889, 12069008, 15301778, 30603556, 53556223, 61207112, 107112446, 122414224, 214224892, 428449784, 856899568]

約数ペア:

[(1, 856899568), (2, 428449784), (4, 214224892), (7, 122414224), (8, 107112446), (14, 61207112), (16, 53556223), (28, 30603556), (56, 15301778), (71, 12069008), (112, 7650889), (142, 6034504), (197, 4349744), (284, 3017252), (394, 2174872), (497, 1724144), (547, 1566544), (568, 1508626), (788, 1087436), (994, 862072), (1094, 783272), (1136, 754313), (1379, 621392), (1576, 543718), (1988, 431036), (2188, 391636), (2758, 310696), (3152, 271859), (3829, 223792), (3976, 215518), (4376, 195818), (5516, 155348), (7658, 111896), (7952, 107759), (8752, 97909), (11032, 77674), (13987, 61264), (15316, 55948), (22064, 38837), (27974, 30632)]