27981218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19139}}^1$

素因数の和:19201

約数の個数: 16

約数和(自身を含む): 45476640

約数和(自身を除く): 17495422

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 19139, 38278, 325363, 650726, 822977, 1645954, 13990609, 27981218]

約数ペア:

[(1, 27981218), (2, 13990609), (17, 1645954), (34, 822977), (43, 650726), (86, 325363), (731, 38278), (1462, 19139)]