81111598

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{1621}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 123323904

約数和(自身を除く): 42212306

約数列:

[1, 2, 127, 197, 254, 394, 1621, 3242, 25019, 50038, 205867, 319337, 411734, 638674, 40555799, 81111598]

約数ペア:

[(1, 81111598), (2, 40555799), (127, 638674), (197, 411734), (254, 319337), (394, 205867), (1621, 50038), (3242, 25019)]