28621918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25601}}^1$

素因数の和:25659

約数の個数: 16

約数和(自身を含む): 47312496

約数和(自身を除く): 18690578

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 25601, 51202, 332813, 665626, 1100843, 2201686, 14310959, 28621918]

約数ペア:

[(1, 28621918), (2, 14310959), (13, 2201686), (26, 1100843), (43, 665626), (86, 332813), (559, 51202), (1118, 25601)]