81643834

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{1567}}^1$

素因数の和:1917

約数の個数: 16

約数和(自身を含む): 124185600

約数和(自身を除く): 42541766

約数列:

[1, 2, 109, 218, 239, 478, 1567, 3134, 26051, 52102, 170803, 341606, 374513, 749026, 40821917, 81643834]

約数ペア:

[(1, 81643834), (2, 40821917), (109, 749026), (218, 374513), (239, 341606), (478, 170803), (1567, 52102), (3134, 26051)]