221520305

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{1433}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 272574720

約数和(自身を除く): 51054415

約数列:

[1, 5, 43, 215, 719, 1433, 3595, 7165, 30917, 61619, 154585, 308095, 1030327, 5151635, 44304061, 221520305]

約数ペア:

[(1, 221520305), (5, 44304061), (43, 5151635), (215, 1030327), (719, 308095), (1433, 154585), (3595, 61619), (7165, 30917)]