257752081

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 277119360

約数和(自身を除く): 19367279

約数列:

[1, 19, 71, 157, 1217, 1349, 2983, 11147, 23123, 86407, 191069, 211793, 1641733, 3630311, 13565899, 257752081]

約数ペア:

[(1, 257752081), (19, 13565899), (71, 3630311), (157, 1641733), (1217, 211793), (1349, 191069), (2983, 86407), (11147, 23123)]