2128691885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{4243}}^1\times {\mathrm{5281}}^1$

素因数の和:9548

約数の個数: 16

約数和(自身を含む): 2690016960

約数和(自身を除く): 561325075

約数列:

[1, 5, 19, 95, 4243, 5281, 21215, 26405, 80617, 100339, 403085, 501695, 22407283, 112036415, 425738377, 2128691885]

約数ペア:

[(1, 2128691885), (5, 425738377), (19, 112036415), (95, 22407283), (4243, 501695), (5281, 403085), (21215, 100339), (26405, 80617)]