55129828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{81553}}^1$

素因数の和:81583

約数の個数: 18

約数和(自身を含む): 104470674

約数和(自身を除く): 49340846

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 81553, 163106, 326212, 1060189, 2120378, 4240756, 13782457, 27564914, 55129828]

約数ペア:

[(1, 55129828), (2, 27564914), (4, 13782457), (13, 4240756), (26, 2120378), (52, 1060189), (169, 326212), (338, 163106), (676, 81553)]