217021645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{34807}}^1$

素因数の和:34884

約数の個数: 16

約数和(自身を含む): 275679360

約数和(自身を除く): 58657715

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 34807, 174035, 1009403, 1496701, 5047015, 7483505, 43404329, 217021645]

約数ペア:

[(1, 217021645), (5, 43404329), (29, 7483505), (43, 5047015), (145, 1496701), (215, 1009403), (1247, 174035), (6235, 34807)]