858346564

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{20707}}^1$

素因数の和:20995

約数の個数: 24

約数和(自身を含む): 1543491488

約数和(自身を除く): 685144924

約数列:

[1, 2, 4, 43, 86, 172, 241, 482, 964, 10363, 20707, 20726, 41414, 41452, 82828, 890401, 1780802, 3561604, 4990387, 9980774, 19961548, 214586641, 429173282, 858346564]

約数ペア:

[(1, 858346564), (2, 429173282), (4, 214586641), (43, 19961548), (86, 9980774), (172, 4990387), (241, 3561604), (482, 1780802), (964, 890401), (10363, 82828), (20707, 41452), (20726, 41414)]