28408276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17623}}^1$

素因数の和:17671

約数の個数: 24

約数和(自身を含む): 55268864

約数和(自身を除く): 26860588

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 17623, 35246, 70492, 229099, 458198, 546313, 916396, 1092626, 2185252, 7102069, 14204138, 28408276]

約数ペア:

[(1, 28408276), (2, 14204138), (4, 7102069), (13, 2185252), (26, 1092626), (31, 916396), (52, 546313), (62, 458198), (124, 229099), (403, 70492), (806, 35246), (1612, 17623)]