217754881

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 239880960

約数和(自身を除く): 22126079

約数列:

[1, 29, 31, 43, 131, 899, 1247, 1333, 1849, 3799, 4061, 5633, 38657, 53621, 57319, 117769, 163357, 174623, 242219, 1662251, 5064067, 7024351, 7508789, 217754881]

約数ペア:

[(1, 217754881), (29, 7508789), (31, 7024351), (43, 5064067), (131, 1662251), (899, 242219), (1247, 174623), (1333, 163357), (1849, 117769), (3799, 57319), (4061, 53621), (5633, 38657)]