28219505

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 36312192

約数和(自身を除く): 8092687

約数列:

[1, 5, 23, 47, 115, 227, 235, 529, 1081, 1135, 2645, 5221, 5405, 10669, 24863, 26105, 53345, 120083, 124315, 245387, 600415, 1226935, 5643901, 28219505]

約数ペア:

[(1, 28219505), (5, 5643901), (23, 1226935), (47, 600415), (115, 245387), (227, 124315), (235, 120083), (529, 53345), (1081, 26105), (1135, 24863), (2645, 10669), (5221, 5405)]