12889513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 3077207

約数列:

[1, 7, 13, 91, 197, 719, 1379, 2561, 5033, 9347, 17927, 65429, 141643, 991501, 1841359, 12889513]

約数ペア:

[(1, 12889513), (7, 1841359), (13, 991501), (91, 141643), (197, 65429), (719, 17927), (1379, 9347), (2561, 5033)]