28071238

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1648

約数の個数: 24

約数和(自身を含む): 46484928

約数和(自身を除く): 18413690

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 689, 1378, 1567, 3134, 8957, 17914, 20371, 40742, 83051, 166102, 264823, 529646, 1079663, 2159326, 14035619, 28071238]

約数ペア:

[(1, 28071238), (2, 14035619), (13, 2159326), (26, 1079663), (53, 529646), (106, 264823), (169, 166102), (338, 83051), (689, 40742), (1378, 20371), (1567, 17914), (3134, 8957)]