285980239

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 317236608

約数和(自身を除く): 31256369

約数列:

[1, 17, 31, 137, 233, 289, 527, 2329, 3961, 4247, 7223, 8959, 31921, 39593, 67337, 72199, 122791, 542657, 989551, 1227383, 2087447, 9225169, 16822367, 285980239]

約数ペア:

[(1, 285980239), (17, 16822367), (31, 9225169), (137, 2087447), (233, 1227383), (289, 989551), (527, 542657), (2329, 122791), (3961, 72199), (4247, 67337), (7223, 39593), (8959, 31921)]