20161240865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{288203}}^1$

素因数の和:289048

約数の個数: 16

約数和(自身を含む): 25647850368

約数和(自身を除く): 5486609503

約数列:

[1, 5, 17, 85, 823, 4115, 13991, 69955, 288203, 1441015, 4899451, 24497255, 237191069, 1185955345, 4032248173, 20161240865]

約数ペア:

[(1, 20161240865), (5, 4032248173), (17, 1185955345), (85, 237191069), (823, 24497255), (4115, 4899451), (13991, 1441015), (69955, 288203)]