81421666

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{1657}}^1$

素因数の和:2049

約数の個数: 16

約数和(自身を含む): 124151040

約数和(自身を除く): 42729374

約数列:

[1, 2, 79, 158, 311, 622, 1657, 3314, 24569, 49138, 130903, 261806, 515327, 1030654, 40710833, 81421666]

約数ペア:

[(1, 81421666), (2, 40710833), (79, 1030654), (158, 515327), (311, 261806), (622, 130903), (1657, 49138), (3314, 24569)]