28259278

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1567}}^1$

素因数の和:1767

約数の個数: 16

約数和(自身を含む): 43352064

約数和(自身を除く): 15092786

約数列:

[1, 2, 71, 127, 142, 254, 1567, 3134, 9017, 18034, 111257, 199009, 222514, 398018, 14129639, 28259278]

約数ペア:

[(1, 28259278), (2, 14129639), (71, 398018), (127, 222514), (142, 199009), (254, 111257), (1567, 18034), (3134, 9017)]