87391252

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{129277}}^1$

素因数の和:129307

約数の個数: 18

約数和(自身を含む): 165605118

約数和(自身を除く): 78213866

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 129277, 258554, 517108, 1680601, 3361202, 6722404, 21847813, 43695626, 87391252]

約数ペア:

[(1, 87391252), (2, 43695626), (4, 21847813), (13, 6722404), (26, 3361202), (52, 1680601), (169, 517108), (338, 258554), (676, 129277)]