72668939

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 88696800

約数和(自身を除く): 16027861

約数列:

[1, 7, 19, 133, 149, 193, 361, 1043, 1351, 2527, 2831, 3667, 19817, 25669, 28757, 53789, 69673, 201299, 376523, 487711, 546383, 3824681, 10381277, 72668939]

約数ペア:

[(1, 72668939), (7, 10381277), (19, 3824681), (133, 546383), (149, 487711), (193, 376523), (361, 201299), (1043, 69673), (1351, 53789), (2527, 28757), (2831, 25669), (3667, 19817)]