171245984

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 144

約数和(自身を含む): 437584896

約数和(自身を除く): 266338912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 224, 248, 271, 364, 392, 403, 416, 434, 496, 542, 637, 728, 784, 806, 868, 992, 1084, 1274, 1456, 1519, 1568, 1612, 1736, 1897, 2168, 2548, 2821, 2912, 3038, 3224, 3472, 3523, 3794, 4336, 5096, 5642, 6076, 6448, 6944, 7046, 7588, 8401, 8672, 10192, 11284, 12152, 12896, 13279, 14092, 15176, 16802, 19747, 20384, 22568, 24304, 24661, 26558, 28184, 30352, 33604, 39494, 45136, 48608, 49322, 53116, 56368, 58807, 60704, 67208, 78988, 90272, 98644, 106232, 109213, 112736, 117614, 134416, 157976, 172627, 197288, 212464, 218426, 235228, 268832, 315952, 345254, 394576, 411649, 424928, 436852, 470456, 631904, 690508, 764491, 789152, 823298, 873704, 940912, 1381016, 1528982, 1646596, 1747408, 1881824, 2762032, 3057964, 3293192, 3494816, 5351437, 5524064, 6115928, 6586384, 10702874, 12231856, 13172768, 21405748, 24463712, 42811496, 85622992, 171245984]

約数ペア:

[(1, 171245984), (2, 85622992), (4, 42811496), (7, 24463712), (8, 21405748), (13, 13172768), (14, 12231856), (16, 10702874), (26, 6586384), (28, 6115928), (31, 5524064), (32, 5351437), (49, 3494816), (52, 3293192), (56, 3057964), (62, 2762032), (91, 1881824), (98, 1747408), (104, 1646596), (112, 1528982), (124, 1381016), (182, 940912), (196, 873704), (208, 823298), (217, 789152), (224, 764491), (248, 690508), (271, 631904), (364, 470456), (392, 436852), (403, 424928), (416, 411649), (434, 394576), (496, 345254), (542, 315952), (637, 268832), (728, 235228), (784, 218426), (806, 212464), (868, 197288), (992, 172627), (1084, 157976), (1274, 134416), (1456, 117614), (1519, 112736), (1568, 109213), (1612, 106232), (1736, 98644), (1897, 90272), (2168, 78988), (2548, 67208), (2821, 60704), (2912, 58807), (3038, 56368), (3224, 53116), (3472, 49322), (3523, 48608), (3794, 45136), (4336, 39494), (5096, 33604), (5642, 30352), (6076, 28184), (6448, 26558), (6944, 24661), (7046, 24304), (7588, 22568), (8401, 20384), (8672, 19747), (10192, 16802), (11284, 15176), (12152, 14092), (12896, 13279)]