206635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:63

約数の個数: 24

約数和(自身を含む): 309456

約数和(自身を除く): 102821

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 289, 715, 935, 1105, 1445, 2431, 3179, 3757, 12155, 15895, 18785, 41327, 206635]

約数ペア:

[(1, 206635), (5, 41327), (11, 18785), (13, 15895), (17, 12155), (55, 3757), (65, 3179), (85, 2431), (143, 1445), (187, 1105), (221, 935), (289, 715)]