1221943295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313721}}^1$

素因数の和:313786

約数の個数: 16

約数和(自身を含む): 1581158880

約数和(自身を除く): 359215585

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 313721, 1568605, 5960699, 12862561, 29803495, 64312805, 244388659, 1221943295]

約数ペア:

[(1, 1221943295), (5, 244388659), (19, 64312805), (41, 29803495), (95, 12862561), (205, 5960699), (779, 1568605), (3895, 313721)]