81717328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3536

約数の個数: 80

約数和(自身を含む): 207843840

約数和(自身を除く): 126126512

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 3491, 5852, 6982, 11704, 13964, 23408, 24437, 27928, 38401, 48874, 55856, 66329, 76802, 97748, 132658, 153604, 195496, 265316, 268807, 307208, 390992, 464303, 530632, 537614, 614416, 729619, 928606, 1061264, 1075228, 1459238, 1857212, 2150456, 2918476, 3714424, 4300912, 5107333, 5836952, 7428848, 10214666, 11673904, 20429332, 40858664, 81717328]

約数ペア:

[(1, 81717328), (2, 40858664), (4, 20429332), (7, 11673904), (8, 10214666), (11, 7428848), (14, 5836952), (16, 5107333), (19, 4300912), (22, 3714424), (28, 2918476), (38, 2150456), (44, 1857212), (56, 1459238), (76, 1075228), (77, 1061264), (88, 928606), (112, 729619), (133, 614416), (152, 537614), (154, 530632), (176, 464303), (209, 390992), (266, 307208), (304, 268807), (308, 265316), (418, 195496), (532, 153604), (616, 132658), (836, 97748), (1064, 76802), (1232, 66329), (1463, 55856), (1672, 48874), (2128, 38401), (2926, 27928), (3344, 24437), (3491, 23408), (5852, 13964), (6982, 11704)]