2009013853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{131111}}^1$

素因数の和:131328

約数の個数: 16

約数和(自身を含む): 2517350400

約数和(自身を除く): 508336547

約数列:

[1, 7, 11, 77, 199, 1393, 2189, 15323, 131111, 917777, 1442221, 10095547, 26091089, 182637623, 287001979, 2009013853]

約数ペア:

[(1, 2009013853), (7, 287001979), (11, 182637623), (77, 26091089), (199, 10095547), (1393, 1442221), (2189, 917777), (15323, 131111)]