81517796

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{4591}}^1$

素因数の和:4811

約数の個数: 24

約数和(自身を含む): 149662464

約数和(自身を除く): 68144668

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 4439, 4591, 8878, 9182, 17756, 18364, 105593, 211186, 422372, 886063, 1772126, 3544252, 20379449, 40758898, 81517796]

約数ペア:

[(1, 81517796), (2, 40758898), (4, 20379449), (23, 3544252), (46, 1772126), (92, 886063), (193, 422372), (386, 211186), (772, 105593), (4439, 18364), (4591, 17756), (8878, 9182)]