289204027

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 343480176

約数和(自身を除く): 54276149

約数列:

[1, 7, 49, 73, 233, 347, 511, 1631, 2429, 3577, 11417, 17003, 17009, 25331, 80851, 119063, 177317, 565957, 833441, 1241219, 3961699, 5902123, 41314861, 289204027]

約数ペア:

[(1, 289204027), (7, 41314861), (49, 5902123), (73, 3961699), (233, 1241219), (347, 833441), (511, 565957), (1631, 177317), (2429, 119063), (3577, 80851), (11417, 25331), (17003, 17009)]