12988664

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 26418000

約数和(自身を除く): 13429336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 739, 1352, 1478, 2197, 2956, 4394, 5912, 8788, 9607, 17576, 19214, 38428, 76856, 124891, 249782, 499564, 999128, 1623583, 3247166, 6494332, 12988664]

約数ペア:

[(1, 12988664), (2, 6494332), (4, 3247166), (8, 1623583), (13, 999128), (26, 499564), (52, 249782), (104, 124891), (169, 76856), (338, 38428), (676, 19214), (739, 17576), (1352, 9607), (1478, 8788), (2197, 5912), (2956, 4394)]