25581124

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{22129}}^1$

素因数の和:22167

約数の個数: 18

約数和(自身を含む): 47557370

約数和(自身を除く): 21976246

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 22129, 44258, 88516, 376193, 752386, 1504772, 6395281, 12790562, 25581124]

約数ペア:

[(1, 25581124), (2, 12790562), (4, 6395281), (17, 1504772), (34, 752386), (68, 376193), (289, 88516), (578, 44258), (1156, 22129)]