289328

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:141

約数の個数: 30

約数和(自身を含む): 612684

約数和(自身を除く): 323356

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 169, 208, 214, 338, 428, 676, 856, 1352, 1391, 1712, 2704, 2782, 5564, 11128, 18083, 22256, 36166, 72332, 144664, 289328]

約数ペア:

[(1, 289328), (2, 144664), (4, 72332), (8, 36166), (13, 22256), (16, 18083), (26, 11128), (52, 5564), (104, 2782), (107, 2704), (169, 1712), (208, 1391), (214, 1352), (338, 856), (428, 676)]