11903905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4320

約数の個数: 16

約数和(自身を含む): 15744960

約数和(自身を除く): 3841055

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 4259, 21295, 55367, 183137, 276835, 915685, 2380781, 11903905]

約数ペア:

[(1, 11903905), (5, 2380781), (13, 915685), (43, 276835), (65, 183137), (215, 55367), (559, 21295), (2795, 4259)]