219968815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 78629585

約数列:

[1, 5, 11, 53, 55, 59, 265, 295, 583, 649, 1279, 2915, 3127, 3245, 6395, 14069, 15635, 34397, 67787, 70345, 75461, 171985, 338935, 377305, 745657, 830071, 3728285, 3999433, 4150355, 19997165, 43993763, 219968815]

約数ペア:

[(1, 219968815), (5, 43993763), (11, 19997165), (53, 4150355), (55, 3999433), (59, 3728285), (265, 830071), (295, 745657), (583, 377305), (649, 338935), (1279, 171985), (2915, 75461), (3127, 70345), (3245, 67787), (6395, 34397), (14069, 15635)]