16420579

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 19866880

約数和(自身を除く): 3446301

約数列:

[1, 7, 19, 133, 331, 373, 2317, 2611, 6289, 7087, 44023, 49609, 123463, 864241, 2345797, 16420579]

約数ペア:

[(1, 16420579), (7, 2345797), (19, 864241), (133, 123463), (331, 49609), (373, 44023), (2317, 7087), (2611, 6289)]