209370215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{129641}}^1$

素因数の和:129682

約数の個数: 16

約数和(自身を含む): 280026720

約数和(自身を除く): 70656505

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 129641, 648205, 2203897, 2463179, 11019485, 12315895, 41874043, 209370215]

約数ペア:

[(1, 209370215), (5, 41874043), (17, 12315895), (19, 11019485), (85, 2463179), (95, 2203897), (323, 648205), (1615, 129641)]