81837184

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 203575680

約数和(自身を除く): 121738496

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 68, 88, 104, 128, 136, 143, 176, 187, 208, 221, 263, 272, 286, 352, 374, 416, 442, 526, 544, 572, 704, 748, 832, 884, 1052, 1088, 1144, 1408, 1496, 1664, 1768, 2104, 2176, 2288, 2431, 2893, 2992, 3419, 3536, 4208, 4471, 4576, 4862, 5786, 5984, 6838, 7072, 8416, 8942, 9152, 9724, 11572, 11968, 13676, 14144, 16832, 17884, 18304, 19448, 23144, 23936, 27352, 28288, 33664, 35768, 37609, 38896, 46288, 49181, 54704, 58123, 71536, 75218, 77792, 92576, 98362, 109408, 116246, 143072, 150436, 155584, 185152, 196724, 218816, 232492, 286144, 300872, 311168, 370304, 393448, 437632, 464984, 572288, 601744, 639353, 786896, 929968, 1203488, 1278706, 1573792, 1859936, 2406976, 2557412, 3147584, 3719872, 4813952, 5114824, 6295168, 7439744, 10229648, 20459296, 40918592, 81837184]

約数ペア:

[(1, 81837184), (2, 40918592), (4, 20459296), (8, 10229648), (11, 7439744), (13, 6295168), (16, 5114824), (17, 4813952), (22, 3719872), (26, 3147584), (32, 2557412), (34, 2406976), (44, 1859936), (52, 1573792), (64, 1278706), (68, 1203488), (88, 929968), (104, 786896), (128, 639353), (136, 601744), (143, 572288), (176, 464984), (187, 437632), (208, 393448), (221, 370304), (263, 311168), (272, 300872), (286, 286144), (352, 232492), (374, 218816), (416, 196724), (442, 185152), (526, 155584), (544, 150436), (572, 143072), (704, 116246), (748, 109408), (832, 98362), (884, 92576), (1052, 77792), (1088, 75218), (1144, 71536), (1408, 58123), (1496, 54704), (1664, 49181), (1768, 46288), (2104, 38896), (2176, 37609), (2288, 35768), (2431, 33664), (2893, 28288), (2992, 27352), (3419, 23936), (3536, 23144), (4208, 19448), (4471, 18304), (4576, 17884), (4862, 16832), (5786, 14144), (5984, 13676), (6838, 11968), (7072, 11572), (8416, 9724), (8942, 9152)]