81917336

素因数分解:

$2^3\times {\mathrm{367}}^1\times {\mathrm{27901}}^1$

素因数の和:28274

約数の個数: 16

約数和(自身を含む): 154019040

約数和(自身を除く): 72101704

約数列:

[1, 2, 4, 8, 367, 734, 1468, 2936, 27901, 55802, 111604, 223208, 10239667, 20479334, 40958668, 81917336]

約数ペア:

[(1, 81917336), (2, 40958668), (4, 20479334), (8, 10239667), (367, 223208), (734, 111604), (1468, 55802), (2936, 27901)]