81305458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{183949}}^1$

素因数の和:183981

約数の個数: 16

約数和(自身を含む): 139066200

約数和(自身を除く): 57760742

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 183949, 367898, 2391337, 3127133, 4782674, 6254266, 40652729, 81305458]

約数ペア:

[(1, 81305458), (2, 40652729), (13, 6254266), (17, 4782674), (26, 3127133), (34, 2391337), (221, 367898), (442, 183949)]