128465491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{20101}}^1$

素因数の和:20202

約数の個数: 16

約数和(自身を含む): 162102528

約数和(自身を除く): 33637037

約数列:

[1, 7, 11, 77, 83, 581, 913, 6391, 20101, 140707, 221111, 1547777, 1668383, 11678681, 18352213, 128465491]

約数ペア:

[(1, 128465491), (7, 18352213), (11, 11678681), (77, 1668383), (83, 1547777), (581, 221111), (913, 140707), (6391, 20101)]