28216084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12619}}^1$

素因数の和:12679

約数の個数: 24

約数和(自身を含む): 54417440

約数和(自身を除く): 26201356

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 12619, 25238, 50476, 164047, 328094, 542617, 656188, 1085234, 2170468, 7054021, 14108042, 28216084]

約数ペア:

[(1, 28216084), (2, 14108042), (4, 7054021), (13, 2170468), (26, 1085234), (43, 656188), (52, 542617), (86, 328094), (172, 164047), (559, 50476), (1118, 25238), (2236, 12619)]