28108756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 54560352

約数和(自身を除く): 26451596

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 967, 1118, 1934, 2236, 3868, 7267, 12571, 14534, 25142, 29068, 41581, 50284, 83162, 163423, 166324, 326846, 540553, 653692, 1081106, 2162212, 7027189, 14054378, 28108756]

約数ペア:

[(1, 28108756), (2, 14054378), (4, 7027189), (13, 2162212), (26, 1081106), (43, 653692), (52, 540553), (86, 326846), (169, 166324), (172, 163423), (338, 83162), (559, 50284), (676, 41581), (967, 29068), (1118, 25142), (1934, 14534), (2236, 12571), (3868, 7267)]