290438285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{8521}}^1$

素因数の和:8944

約数の個数: 16

約数和(自身を含む): 369991152

約数和(自身を除く): 79552867

約数列:

[1, 5, 17, 85, 401, 2005, 6817, 8521, 34085, 42605, 144857, 724285, 3416921, 17084605, 58087657, 290438285]

約数ペア:

[(1, 290438285), (5, 58087657), (17, 17084605), (85, 3416921), (401, 724285), (2005, 144857), (6817, 42605), (8521, 34085)]