217634879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97463}}^1$

素因数の和:97510

約数の個数: 16

約数和(自身を含む): 280696320

約数和(自身を除く): 63061441

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 97463, 682241, 1072093, 2826427, 7504651, 19784989, 31090697, 217634879]

約数ペア:

[(1, 217634879), (7, 31090697), (11, 19784989), (29, 7504651), (77, 2826427), (203, 1072093), (319, 682241), (2233, 97463)]