81639886

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{3529}}^1$

素因数の和:3843

約数の個数: 16

約数和(自身を含む): 125809200

約数和(自身を除く): 44169314

約数列:

[1, 2, 43, 86, 269, 538, 3529, 7058, 11567, 23134, 151747, 303494, 949301, 1898602, 40819943, 81639886]

約数ペア:

[(1, 81639886), (2, 40819943), (43, 1898602), (86, 949301), (269, 303494), (538, 151747), (3529, 23134), (7058, 11567)]