81604042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{9901}}^1$

素因数の和:10233

約数の個数: 16

約数和(自身を含む): 132251112

約数和(自身を除く): 50647070

約数列:

[1, 2, 13, 26, 317, 634, 4121, 8242, 9901, 19802, 128713, 257426, 3138617, 6277234, 40802021, 81604042]

約数ペア:

[(1, 81604042), (2, 40802021), (13, 6277234), (26, 3138617), (317, 257426), (634, 128713), (4121, 19802), (8242, 9901)]