3995225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 5624640

約数和(自身を除く): 1629415

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 647, 1235, 3235, 6175, 8411, 12293, 16175, 42055, 61465, 159809, 210275, 307325, 799045, 3995225]

約数ペア:

[(1, 3995225), (5, 799045), (13, 307325), (19, 210275), (25, 159809), (65, 61465), (95, 42055), (247, 16175), (325, 12293), (475, 8411), (647, 6175), (1235, 3235)]