644318752

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 1672151040

約数和(自身を除く): 1027832288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 71, 77, 88, 112, 116, 127, 142, 154, 176, 203, 224, 232, 254, 284, 308, 319, 352, 406, 464, 497, 508, 568, 616, 638, 781, 812, 889, 928, 994, 1016, 1136, 1232, 1276, 1397, 1562, 1624, 1778, 1988, 2032, 2059, 2233, 2272, 2464, 2552, 2794, 3124, 3248, 3556, 3683, 3976, 4064, 4118, 4466, 5104, 5467, 5588, 6248, 6496, 7112, 7366, 7952, 8236, 8932, 9017, 9779, 10208, 10934, 11176, 12496, 14224, 14413, 14732, 15904, 16472, 17864, 18034, 19558, 21868, 22352, 22649, 24992, 25781, 28448, 28826, 29464, 32944, 35728, 36068, 39116, 40513, 43736, 44704, 45298, 51562, 57652, 58928, 63119, 65888, 71456, 72136, 78232, 81026, 87472, 90596, 99187, 103124, 115304, 117856, 126238, 144272, 156464, 158543, 162052, 174944, 181192, 198374, 206248, 230608, 252476, 261493, 283591, 288544, 312928, 317086, 324104, 362384, 396748, 412496, 461216, 504952, 522986, 567182, 634172, 648208, 694309, 724768, 793496, 824992, 1009904, 1045972, 1134364, 1268344, 1296416, 1388618, 1586992, 1830451, 2019808, 2091944, 2268728, 2536688, 2777236, 2876423, 3173984, 3660902, 4183888, 4537456, 5073376, 5554472, 5752846, 7321804, 8367776, 9074912, 11108944, 11505692, 14643608, 20134961, 22217888, 23011384, 29287216, 40269922, 46022768, 58574432, 80539844, 92045536, 161079688, 322159376, 644318752]

約数ペア:

[(1, 644318752), (2, 322159376), (4, 161079688), (7, 92045536), (8, 80539844), (11, 58574432), (14, 46022768), (16, 40269922), (22, 29287216), (28, 23011384), (29, 22217888), (32, 20134961), (44, 14643608), (56, 11505692), (58, 11108944), (71, 9074912), (77, 8367776), (88, 7321804), (112, 5752846), (116, 5554472), (127, 5073376), (142, 4537456), (154, 4183888), (176, 3660902), (203, 3173984), (224, 2876423), (232, 2777236), (254, 2536688), (284, 2268728), (308, 2091944), (319, 2019808), (352, 1830451), (406, 1586992), (464, 1388618), (497, 1296416), (508, 1268344), (568, 1134364), (616, 1045972), (638, 1009904), (781, 824992), (812, 793496), (889, 724768), (928, 694309), (994, 648208), (1016, 634172), (1136, 567182), (1232, 522986), (1276, 504952), (1397, 461216), (1562, 412496), (1624, 396748), (1778, 362384), (1988, 324104), (2032, 317086), (2059, 312928), (2233, 288544), (2272, 283591), (2464, 261493), (2552, 252476), (2794, 230608), (3124, 206248), (3248, 198374), (3556, 181192), (3683, 174944), (3976, 162052), (4064, 158543), (4118, 156464), (4466, 144272), (5104, 126238), (5467, 117856), (5588, 115304), (6248, 103124), (6496, 99187), (7112, 90596), (7366, 87472), (7952, 81026), (8236, 78232), (8932, 72136), (9017, 71456), (9779, 65888), (10208, 63119), (10934, 58928), (11176, 57652), (12496, 51562), (14224, 45298), (14413, 44704), (14732, 43736), (15904, 40513), (16472, 39116), (17864, 36068), (18034, 35728), (19558, 32944), (21868, 29464), (22352, 28826), (22649, 28448), (24992, 25781)]