81027466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1\times {\mathrm{1999}}^1$

素因数の和:3573

約数の個数: 16

約数和(自身を含む): 131040000

約数和(自身を除く): 50012534

約数列:

[1, 2, 13, 26, 1559, 1999, 3118, 3998, 20267, 25987, 40534, 51974, 3116441, 6232882, 40513733, 81027466]

約数ペア:

[(1, 81027466), (2, 40513733), (13, 6232882), (26, 3116441), (1559, 51974), (1999, 40534), (3118, 25987), (3998, 20267)]