208064725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39821}}^1$

素因数の和:39861

約数の個数: 24

約数和(自身を含む): 296275680

約数和(自身を除く): 88210955

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 39821, 199105, 438031, 756599, 995525, 2190155, 3782995, 8322589, 10950775, 18914975, 41612945, 208064725]

約数ペア:

[(1, 208064725), (5, 41612945), (11, 18914975), (19, 10950775), (25, 8322589), (55, 3782995), (95, 2190155), (209, 995525), (275, 756599), (475, 438031), (1045, 199105), (5225, 39821)]