521721816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1366

約数の個数: 192

約数和(自身を含む): 1709890560

約数和(自身を除く): 1188168744

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 49, 56, 62, 66, 77, 84, 88, 93, 98, 124, 132, 147, 154, 168, 186, 196, 217, 231, 248, 264, 294, 308, 341, 372, 392, 434, 462, 539, 588, 616, 651, 682, 744, 868, 924, 1023, 1078, 1176, 1301, 1302, 1364, 1519, 1617, 1736, 1848, 2046, 2156, 2387, 2602, 2604, 2728, 3038, 3234, 3903, 4092, 4312, 4557, 4774, 5204, 5208, 6076, 6468, 7161, 7806, 8184, 9107, 9114, 9548, 10408, 12152, 12936, 14311, 14322, 15612, 16709, 18214, 18228, 19096, 27321, 28622, 28644, 31224, 33418, 36428, 36456, 40331, 42933, 50127, 54642, 57244, 57288, 63749, 66836, 72856, 80662, 85866, 100177, 100254, 109284, 114488, 120993, 127498, 133672, 161324, 171732, 191247, 200354, 200508, 218568, 241986, 254996, 282317, 300531, 322648, 343464, 382494, 400708, 401016, 443641, 483972, 509992, 564634, 601062, 701239, 764988, 801416, 846951, 887282, 967944, 1129268, 1202124, 1330923, 1402478, 1529976, 1693902, 1774564, 1976219, 2103717, 2258536, 2404248, 2661846, 2804956, 3105487, 3387804, 3549128, 3952438, 4207434, 5323692, 5609912, 5928657, 6210974, 6775608, 7904876, 8414868, 9316461, 10647384, 11857314, 12421948, 15809752, 16829736, 18632922, 21738409, 23714628, 24843896, 37265844, 43476818, 47429256, 65215227, 74531688, 86953636, 130430454, 173907272, 260860908, 521721816]

約数ペア:

[(1, 521721816), (2, 260860908), (3, 173907272), (4, 130430454), (6, 86953636), (7, 74531688), (8, 65215227), (11, 47429256), (12, 43476818), (14, 37265844), (21, 24843896), (22, 23714628), (24, 21738409), (28, 18632922), (31, 16829736), (33, 15809752), (42, 12421948), (44, 11857314), (49, 10647384), (56, 9316461), (62, 8414868), (66, 7904876), (77, 6775608), (84, 6210974), (88, 5928657), (93, 5609912), (98, 5323692), (124, 4207434), (132, 3952438), (147, 3549128), (154, 3387804), (168, 3105487), (186, 2804956), (196, 2661846), (217, 2404248), (231, 2258536), (248, 2103717), (264, 1976219), (294, 1774564), (308, 1693902), (341, 1529976), (372, 1402478), (392, 1330923), (434, 1202124), (462, 1129268), (539, 967944), (588, 887282), (616, 846951), (651, 801416), (682, 764988), (744, 701239), (868, 601062), (924, 564634), (1023, 509992), (1078, 483972), (1176, 443641), (1301, 401016), (1302, 400708), (1364, 382494), (1519, 343464), (1617, 322648), (1736, 300531), (1848, 282317), (2046, 254996), (2156, 241986), (2387, 218568), (2602, 200508), (2604, 200354), (2728, 191247), (3038, 171732), (3234, 161324), (3903, 133672), (4092, 127498), (4312, 120993), (4557, 114488), (4774, 109284), (5204, 100254), (5208, 100177), (6076, 85866), (6468, 80662), (7161, 72856), (7806, 66836), (8184, 63749), (9107, 57288), (9114, 57244), (9548, 54642), (10408, 50127), (12152, 42933), (12936, 40331), (14311, 36456), (14322, 36428), (15612, 33418), (16709, 31224), (18214, 28644), (18228, 28622), (19096, 27321)]