128521225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38653}}^1$

素因数の和:38689

約数の個数: 24

約数和(自身を含む): 191723840

約数和(自身を除く): 63202615

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 38653, 193265, 270571, 734407, 966325, 1352855, 3672035, 5140849, 6764275, 18360175, 25704245, 128521225]

約数ペア:

[(1, 128521225), (5, 25704245), (7, 18360175), (19, 6764275), (25, 5140849), (35, 3672035), (95, 1352855), (133, 966325), (175, 734407), (475, 270571), (665, 193265), (3325, 38653)]