71909509

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{77239}}^1$

素因数の和:77272

約数の個数: 12

約数和(自身を含む): 88053600

約数和(自身を除く): 16144091

約数列:

[1, 7, 19, 49, 133, 931, 77239, 540673, 1467541, 3784711, 10272787, 71909509]

約数ペア:

[(1, 71909509), (7, 10272787), (19, 3784711), (49, 1467541), (133, 540673), (931, 77239)]