81965818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{47161}}^1$

素因数の和:47253

約数の個数: 16

約数和(自身を含む): 135826560

約数和(自身を除く): 53860742

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 47161, 94322, 518771, 1037542, 3725719, 7451438, 40982909, 81965818]

約数ペア:

[(1, 81965818), (2, 40982909), (11, 7451438), (22, 3725719), (79, 1037542), (158, 518771), (869, 94322), (1738, 47161)]