155615225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1663}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 204272640

約数和(自身を除く): 48657415

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 1663, 3743, 4925, 8315, 18715, 31597, 41575, 93575, 157985, 327611, 789925, 1638055, 6224609, 8190275, 31123045, 155615225]

約数ペア:

[(1, 155615225), (5, 31123045), (19, 8190275), (25, 6224609), (95, 1638055), (197, 789925), (475, 327611), (985, 157985), (1663, 93575), (3743, 41575), (4925, 31597), (8315, 18715)]