90909205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{30869}}^1$

素因数の和:30924

約数の個数: 16

約数和(自身を含む): 118540800

約数和(自身を除く): 27631595

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 30869, 154345, 586511, 956939, 2932555, 4784695, 18181841, 90909205]

約数ペア:

[(1, 90909205), (5, 18181841), (19, 4784695), (31, 2932555), (95, 956939), (155, 586511), (589, 154345), (2945, 30869)]