129356948

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{20717}}^1$

素因数の和:20951

約数の個数: 24

約数和(自身を含む): 259886592

約数和(自身を除く): 130529644

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 20717, 41434, 82868, 145019, 290038, 580076, 4619891, 9239782, 18479564, 32339237, 64678474, 129356948]

約数ペア:

[(1, 129356948), (2, 64678474), (4, 32339237), (7, 18479564), (14, 9239782), (28, 4619891), (223, 580076), (446, 290038), (892, 145019), (1561, 82868), (3122, 41434), (6244, 20717)]