209169215

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{1549}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 254448000

約数和(自身を除く): 45278785

約数列:

[1, 5, 113, 239, 565, 1195, 1549, 7745, 27007, 135035, 175037, 370211, 875185, 1851055, 41833843, 209169215]

約数ペア:

[(1, 209169215), (5, 41833843), (113, 1851055), (239, 875185), (565, 370211), (1195, 175037), (1549, 135035), (7745, 27007)]