616975825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{4129}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 788664800

約数和(自身を除く): 171688975

約数列:

[1, 5, 25, 43, 139, 215, 695, 1075, 3475, 4129, 5977, 20645, 29885, 103225, 149425, 177547, 573931, 887735, 2869655, 4438675, 14348275, 24679033, 123395165, 616975825]

約数ペア:

[(1, 616975825), (5, 123395165), (25, 24679033), (43, 14348275), (139, 4438675), (215, 2869655), (695, 887735), (1075, 573931), (3475, 177547), (4129, 149425), (5977, 103225), (20645, 29885)]