81612586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{78929}}^1$

素因数の和:78989

約数の個数: 16

約数和(自身を含む): 136391040

約数和(自身を除く): 54778454

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 78929, 157858, 868219, 1736438, 3709663, 7419326, 40806293, 81612586]

約数ペア:

[(1, 81612586), (2, 40806293), (11, 7419326), (22, 3709663), (47, 1736438), (94, 868219), (517, 157858), (1034, 78929)]