64495915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{27271}}^1$

素因数の和:27330

約数の個数: 16

約数和(自身を含む): 86397696

約数和(自身を除く): 21901781

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 27271, 136355, 299981, 1172653, 1499905, 5863265, 12899183, 64495915]

約数ペア:

[(1, 64495915), (5, 12899183), (11, 5863265), (43, 1499905), (55, 1172653), (215, 299981), (473, 136355), (2365, 27271)]