999888976

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{35447}}^1$

素因数の和:35539

約数の個数: 40

約数和(自身を含む): 2030745024

約数和(自身を除く): 1030856048

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 14104, 28208, 35447, 70894, 141788, 283576, 567152, 1453327, 1524221, 2906654, 3048442, 5813308, 6096884, 11626616, 12193768, 23253232, 24387536, 62493061, 124986122, 249972244, 499944488, 999888976]

約数ペア:

[(1, 999888976), (2, 499944488), (4, 249972244), (8, 124986122), (16, 62493061), (41, 24387536), (43, 23253232), (82, 12193768), (86, 11626616), (164, 6096884), (172, 5813308), (328, 3048442), (344, 2906654), (656, 1524221), (688, 1453327), (1763, 567152), (3526, 283576), (7052, 141788), (14104, 70894), (28208, 35447)]