129289325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20441}}^1$

素因数の和:20485

約数の個数: 24

約数和(自身を含む): 182506176

約数和(自身を除く): 53216851

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 6325, 20441, 102205, 224851, 470143, 511025, 1124255, 2350715, 5171573, 5621275, 11753575, 25857865, 129289325]

約数ペア:

[(1, 129289325), (5, 25857865), (11, 11753575), (23, 5621275), (25, 5171573), (55, 2350715), (115, 1124255), (253, 511025), (275, 470143), (575, 224851), (1265, 102205), (6325, 20441)]