81831148

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 171763200

約数和(自身を除く): 89932052

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 283, 322, 449, 566, 644, 898, 1132, 1796, 1981, 3143, 3962, 6286, 6509, 7924, 10327, 12572, 13018, 20654, 26036, 41308, 45563, 72289, 91126, 127067, 144578, 182252, 254134, 289156, 508268, 889469, 1778938, 2922541, 3557876, 5845082, 11690164, 20457787, 40915574, 81831148]

約数ペア:

[(1, 81831148), (2, 40915574), (4, 20457787), (7, 11690164), (14, 5845082), (23, 3557876), (28, 2922541), (46, 1778938), (92, 889469), (161, 508268), (283, 289156), (322, 254134), (449, 182252), (566, 144578), (644, 127067), (898, 91126), (1132, 72289), (1796, 45563), (1981, 41308), (3143, 26036), (3962, 20654), (6286, 13018), (6509, 12572), (7924, 10327)]