208963495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{10271}}^1$

素因数の和:10602

約数の個数: 16

約数和(自身を含む): 270934272

約数和(自身を除く): 61970777

約数列:

[1, 5, 13, 65, 313, 1565, 4069, 10271, 20345, 51355, 133523, 667615, 3214823, 16074115, 41792699, 208963495]

約数ペア:

[(1, 208963495), (5, 41792699), (13, 16074115), (65, 3214823), (313, 667615), (1565, 133523), (4069, 51355), (10271, 20345)]