81623278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{195271}}^1$

素因数の和:195303

約数の個数: 16

約数和(自身を含む): 140595840

約数和(自身を除く): 58972562

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 195271, 390542, 2147981, 3710149, 4295962, 7420298, 40811639, 81623278]

約数ペア:

[(1, 81623278), (2, 40811639), (11, 7420298), (19, 4295962), (22, 3710149), (38, 2147981), (209, 390542), (418, 195271)]