81489488

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47599}}^1$

素因数の和:47714

約数の個数: 20

約数和(自身を含む): 159364800

約数和(自身を除く): 77875312

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47599, 95198, 190396, 380792, 761584, 5093093, 10186186, 20372372, 40744744, 81489488]

約数ペア:

[(1, 81489488), (2, 40744744), (4, 20372372), (8, 10186186), (16, 5093093), (107, 761584), (214, 380792), (428, 190396), (856, 95198), (1712, 47599)]