28254569

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 34528320

約数和(自身を除く): 6273751

約数列:

[1, 7, 37, 43, 59, 259, 301, 413, 1591, 1849, 2183, 2537, 11137, 12943, 15281, 17759, 68413, 93869, 109091, 478891, 657083, 763637, 4036367, 28254569]

約数ペア:

[(1, 28254569), (7, 4036367), (37, 763637), (43, 657083), (59, 478891), (259, 109091), (301, 93869), (413, 68413), (1591, 17759), (1849, 15281), (2183, 12943), (2537, 11137)]