81937856

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1322

約数の個数: 112

約数和(自身を含む): 218480640

約数和(自身を除く): 136542784

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 448, 572, 616, 704, 728, 832, 1001, 1144, 1232, 1279, 1456, 2002, 2288, 2464, 2558, 2912, 4004, 4576, 4928, 5116, 5824, 8008, 8953, 9152, 10232, 14069, 16016, 16627, 17906, 20464, 28138, 32032, 33254, 35812, 40928, 56276, 64064, 66508, 71624, 81856, 98483, 112552, 116389, 133016, 143248, 182897, 196966, 225104, 232778, 266032, 286496, 365794, 393932, 450208, 465556, 532064, 572992, 731588, 787864, 900416, 931112, 1064128, 1280279, 1463176, 1575728, 1862224, 2560558, 2926352, 3151456, 3724448, 5121116, 5852704, 6302912, 7448896, 10242232, 11705408, 20484464, 40968928, 81937856]

約数ペア:

[(1, 81937856), (2, 40968928), (4, 20484464), (7, 11705408), (8, 10242232), (11, 7448896), (13, 6302912), (14, 5852704), (16, 5121116), (22, 3724448), (26, 3151456), (28, 2926352), (32, 2560558), (44, 1862224), (52, 1575728), (56, 1463176), (64, 1280279), (77, 1064128), (88, 931112), (91, 900416), (104, 787864), (112, 731588), (143, 572992), (154, 532064), (176, 465556), (182, 450208), (208, 393932), (224, 365794), (286, 286496), (308, 266032), (352, 232778), (364, 225104), (416, 196966), (448, 182897), (572, 143248), (616, 133016), (704, 116389), (728, 112552), (832, 98483), (1001, 81856), (1144, 71624), (1232, 66508), (1279, 64064), (1456, 56276), (2002, 40928), (2288, 35812), (2464, 33254), (2558, 32032), (2912, 28138), (4004, 20464), (4576, 17906), (4928, 16627), (5116, 16016), (5824, 14069), (8008, 10232), (8953, 9152)]