28455128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{653}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 57682800

約数和(自身を除く): 29227672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 653, 838, 1306, 1676, 2612, 3352, 5224, 5447, 8489, 10894, 16978, 21788, 33956, 43576, 67912, 273607, 547214, 1094428, 2188856, 3556891, 7113782, 14227564, 28455128]

約数ペア:

[(1, 28455128), (2, 14227564), (4, 7113782), (8, 3556891), (13, 2188856), (26, 1094428), (52, 547214), (104, 273607), (419, 67912), (653, 43576), (838, 33956), (1306, 21788), (1676, 16978), (2612, 10894), (3352, 8489), (5224, 5447)]