217437275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{16823}}^1$

素因数の和:16891

約数の個数: 24

約数和(自身を含む): 300409344

約数和(自身を除く): 82972069

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 16823, 84115, 185053, 420575, 790681, 925265, 3953405, 4626325, 8697491, 19767025, 43487455, 217437275]

約数ペア:

[(1, 217437275), (5, 43487455), (11, 19767025), (25, 8697491), (47, 4626325), (55, 3953405), (235, 925265), (275, 790681), (517, 420575), (1175, 185053), (2585, 84115), (12925, 16823)]