128974528

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{22643}}^1$

素因数の和:22744

約数の個数: 28

約数和(自身を含む): 258820920

約数和(自身を除く): 129846392

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 5696, 22643, 45286, 90572, 181144, 362288, 724576, 1449152, 2015227, 4030454, 8060908, 16121816, 32243632, 64487264, 128974528]

約数ペア:

[(1, 128974528), (2, 64487264), (4, 32243632), (8, 16121816), (16, 8060908), (32, 4030454), (64, 2015227), (89, 1449152), (178, 724576), (356, 362288), (712, 181144), (1424, 90572), (2848, 45286), (5696, 22643)]