81307802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{19997}}^1$

素因数の和:20125

約数の個数: 16

約数和(自身を含む): 129587040

約数和(自身を除く): 48279238

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 19997, 39994, 379943, 759886, 2139679, 4279358, 40653901, 81307802]

約数ペア:

[(1, 81307802), (2, 40653901), (19, 4279358), (38, 2139679), (107, 759886), (214, 379943), (2033, 39994), (4066, 19997)]