28752899

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 35631648

約数和(自身を除く): 6878749

約数列:

[1, 7, 17, 61, 119, 233, 289, 427, 1037, 1631, 2023, 3961, 7259, 14213, 17629, 27727, 67337, 99491, 123403, 241621, 471359, 1691347, 4107557, 28752899]

約数ペア:

[(1, 28752899), (7, 4107557), (17, 1691347), (61, 471359), (119, 241621), (233, 123403), (289, 99491), (427, 67337), (1037, 27727), (1631, 17629), (2023, 14213), (3961, 7259)]