805464815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{19139}}^1$

素因数の和:19606

約数の個数: 16

約数和(自身を含む): 1019779200

約数和(自身を除く): 214314385

約数列:

[1, 5, 19, 95, 443, 2215, 8417, 19139, 42085, 95695, 363641, 1818205, 8478577, 42392885, 161092963, 805464815]

約数ペア:

[(1, 805464815), (5, 161092963), (19, 42392885), (95, 8478577), (443, 1818205), (2215, 363641), (8417, 95695), (19139, 42085)]