25045321

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 30927744

約数和(自身を除く): 5882423

約数列:

[1, 7, 23, 49, 71, 161, 313, 497, 1127, 1633, 2191, 3479, 7199, 11431, 15337, 22223, 50393, 80017, 155561, 352751, 511129, 1088927, 3577903, 25045321]

約数ペア:

[(1, 25045321), (7, 3577903), (23, 1088927), (49, 511129), (71, 352751), (161, 155561), (313, 80017), (497, 50393), (1127, 22223), (1633, 15337), (2191, 11431), (3479, 7199)]