25907431

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 30643200

約数和(自身を除く): 4735769

約数列:

[1, 11, 19, 59, 121, 191, 209, 649, 1121, 2101, 2299, 3629, 7139, 11269, 12331, 23111, 39919, 123959, 135641, 214111, 439109, 1363549, 2355221, 25907431]

約数ペア:

[(1, 25907431), (11, 2355221), (19, 1363549), (59, 439109), (121, 214111), (191, 135641), (209, 123959), (649, 39919), (1121, 23111), (2101, 12331), (2299, 11269), (3629, 7139)]