266236478

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 418176000

約数和(自身を除く): 151939522

約数列:

[1, 2, 43, 79, 86, 149, 158, 263, 298, 526, 3397, 6407, 6794, 11309, 11771, 12814, 20777, 22618, 23542, 39187, 41554, 78374, 506153, 893411, 1012306, 1685041, 1786822, 3095773, 3370082, 6191546, 133118239, 266236478]

約数ペア:

[(1, 266236478), (2, 133118239), (43, 6191546), (79, 3370082), (86, 3095773), (149, 1786822), (158, 1685041), (263, 1012306), (298, 893411), (526, 506153), (3397, 78374), (6407, 41554), (6794, 39187), (11309, 23542), (11771, 22618), (12814, 20777)]