206400565

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{80783}}^1$

素因数の和:80868

約数の個数: 16

約数和(自身を含む): 286944768

約数和(自身を除く): 80544203

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 80783, 403915, 565481, 2827405, 5897159, 29485795, 41280113, 206400565]

約数ペア:

[(1, 206400565), (5, 41280113), (7, 29485795), (35, 5897159), (73, 2827405), (365, 565481), (511, 403915), (2555, 80783)]