388225537

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{2293}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 475463616

約数和(自身を除く): 87238079

約数列:

[1, 7, 19, 67, 133, 361, 469, 1273, 2293, 2527, 8911, 16051, 24187, 43567, 153631, 169309, 304969, 827773, 1075417, 2918989, 5794411, 20432923, 55460791, 388225537]

約数ペア:

[(1, 388225537), (7, 55460791), (19, 20432923), (67, 5794411), (133, 2918989), (361, 1075417), (469, 827773), (1273, 304969), (2293, 169309), (2527, 153631), (8911, 43567), (16051, 24187)]