131480912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{432503}}^1$

素因数の和:432530

約数の個数: 20

約数和(自身を含む): 268152480

約数和(自身を除く): 136671568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 432503, 865006, 1730012, 3460024, 6920048, 8217557, 16435114, 32870228, 65740456, 131480912]

約数ペア:

[(1, 131480912), (2, 65740456), (4, 32870228), (8, 16435114), (16, 8217557), (19, 6920048), (38, 3460024), (76, 1730012), (152, 865006), (304, 432503)]