82161605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20113}}^1$

素因数の和:20180

約数の個数: 16

約数和(自身を含む): 106201920

約数和(自身を除く): 24040315

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 20113, 100565, 382147, 864859, 1910735, 4324295, 16432321, 82161605]

約数ペア:

[(1, 82161605), (5, 16432321), (19, 4324295), (43, 1910735), (95, 864859), (215, 382147), (817, 100565), (4085, 20113)]