81335542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{16339}}^1$

素因数の和:16491

約数の個数: 16

約数和(自身を含む): 129412800

約数和(自身を除く): 48077258

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 16339, 32678, 310441, 620882, 2140409, 4280818, 40667771, 81335542]

約数ペア:

[(1, 81335542), (2, 40667771), (19, 4280818), (38, 2140409), (131, 620882), (262, 310441), (2489, 32678), (4978, 16339)]