207986317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{65881}}^1$

素因数の和:65940

約数の個数: 16

約数和(自身を含む): 265636224

約数和(自身を除く): 57649907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 65881, 461167, 724691, 2701121, 5072837, 18907847, 29712331, 207986317]

約数ペア:

[(1, 207986317), (7, 29712331), (11, 18907847), (41, 5072837), (77, 2701121), (287, 724691), (451, 461167), (3157, 65881)]