211699919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 227808000

約数和(自身を除く): 16108081

約数列:

[1, 19, 71, 139, 1129, 1349, 2641, 9869, 21451, 80159, 156931, 187511, 1523021, 2981689, 11142101, 211699919]

約数ペア:

[(1, 211699919), (19, 11142101), (71, 2981689), (139, 1523021), (1129, 187511), (1349, 156931), (2641, 80159), (9869, 21451)]