22197605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 28946400

約数和(自身を除く): 6748795

約数列:

[1, 5, 19, 41, 95, 139, 205, 695, 779, 1681, 2641, 3895, 5699, 8405, 13205, 28495, 31939, 108281, 159695, 233659, 541405, 1168295, 4439521, 22197605]

約数ペア:

[(1, 22197605), (5, 4439521), (19, 1168295), (41, 541405), (95, 233659), (139, 159695), (205, 108281), (695, 31939), (779, 28495), (1681, 13205), (2641, 8405), (3895, 5699)]