208049665505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{511801}}^1$

素因数の和:512225

約数の個数: 32

約数和(自身を含む): 287428003200

約数和(自身を除く): 79378337695

約数列:

[1, 5, 11, 19, 55, 95, 209, 389, 1045, 1945, 4279, 7391, 21395, 36955, 81301, 406505, 511801, 2559005, 5629811, 9724219, 28149055, 48621095, 106966409, 199090589, 534832045, 995452945, 2189996479, 3782721191, 10949982395, 18913605955, 41609933101, 208049665505]

約数ペア:

[(1, 208049665505), (5, 41609933101), (11, 18913605955), (19, 10949982395), (55, 3782721191), (95, 2189996479), (209, 995452945), (389, 534832045), (1045, 199090589), (1945, 106966409), (4279, 48621095), (7391, 28149055), (21395, 9724219), (36955, 5629811), (81301, 2559005), (406505, 511801)]