209451455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{13103}}^1$

素因数の和:13270

約数の個数: 16

約数和(自身を含む): 264176640

約数和(自身を除く): 54725185

約数列:

[1, 5, 23, 115, 139, 695, 3197, 13103, 15985, 65515, 301369, 1506845, 1821317, 9106585, 41890291, 209451455]

約数ペア:

[(1, 209451455), (5, 41890291), (23, 9106585), (115, 1821317), (139, 1506845), (695, 301369), (3197, 65515), (13103, 15985)]