42491725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 54960768

約数和(自身を除く): 12469043

約数列:

[1, 5, 25, 37, 71, 185, 355, 647, 925, 1775, 2627, 3235, 13135, 16175, 23939, 45937, 65675, 119695, 229685, 598475, 1148425, 1699669, 8498345, 42491725]

約数ペア:

[(1, 42491725), (5, 8498345), (25, 1699669), (37, 1148425), (71, 598475), (185, 229685), (355, 119695), (647, 65675), (925, 45937), (1775, 23939), (2627, 16175), (3235, 13135)]