51739688

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 135185760

約数和(自身を除く): 83446072

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 71, 77, 88, 91, 98, 104, 142, 143, 154, 169, 182, 196, 284, 286, 308, 338, 364, 392, 497, 539, 568, 572, 616, 637, 676, 728, 781, 923, 994, 1001, 1078, 1144, 1183, 1274, 1352, 1562, 1846, 1859, 1988, 2002, 2156, 2366, 2548, 3124, 3479, 3692, 3718, 3976, 4004, 4312, 4732, 5096, 5467, 6248, 6461, 6958, 7007, 7384, 7436, 8008, 8281, 9464, 10153, 10934, 11999, 12922, 13013, 13916, 14014, 14872, 16562, 20306, 21868, 23998, 25844, 26026, 27832, 28028, 33124, 38269, 40612, 43736, 45227, 47996, 51688, 52052, 56056, 66248, 71071, 76538, 81224, 83993, 90454, 91091, 95992, 104104, 131989, 142142, 153076, 167986, 180908, 182182, 263978, 284284, 306152, 335972, 361816, 364364, 497497, 527956, 568568, 587951, 671944, 728728, 923923, 994994, 1055912, 1175902, 1847846, 1989988, 2351804, 3695692, 3979976, 4703608, 6467461, 7391384, 12934922, 25869844, 51739688]

約数ペア:

[(1, 51739688), (2, 25869844), (4, 12934922), (7, 7391384), (8, 6467461), (11, 4703608), (13, 3979976), (14, 3695692), (22, 2351804), (26, 1989988), (28, 1847846), (44, 1175902), (49, 1055912), (52, 994994), (56, 923923), (71, 728728), (77, 671944), (88, 587951), (91, 568568), (98, 527956), (104, 497497), (142, 364364), (143, 361816), (154, 335972), (169, 306152), (182, 284284), (196, 263978), (284, 182182), (286, 180908), (308, 167986), (338, 153076), (364, 142142), (392, 131989), (497, 104104), (539, 95992), (568, 91091), (572, 90454), (616, 83993), (637, 81224), (676, 76538), (728, 71071), (781, 66248), (923, 56056), (994, 52052), (1001, 51688), (1078, 47996), (1144, 45227), (1183, 43736), (1274, 40612), (1352, 38269), (1562, 33124), (1846, 28028), (1859, 27832), (1988, 26026), (2002, 25844), (2156, 23998), (2366, 21868), (2548, 20306), (3124, 16562), (3479, 14872), (3692, 14014), (3718, 13916), (3976, 13013), (4004, 12922), (4312, 11999), (4732, 10934), (5096, 10153), (5467, 9464), (6248, 8281), (6461, 8008), (6958, 7436), (7007, 7384)]