1720199105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{64439}}^1$

素因数の和:64744

約数の個数: 16

約数和(自身を含む): 2180649600

約数和(自身を除く): 460450495

約数列:

[1, 5, 19, 95, 281, 1405, 5339, 26695, 64439, 322195, 1224341, 6121705, 18107359, 90536795, 344039821, 1720199105]

約数ペア:

[(1, 1720199105), (5, 344039821), (19, 90536795), (95, 18107359), (281, 6121705), (1405, 1224341), (5339, 322195), (26695, 64439)]