678889242

素因数分解:

$2^1\times 3^3\times {\mathrm{2663}}^1\times {\mathrm{4721}}^1$

素因数の和:7395

約数の個数: 32

約数和(自身を含む): 1509528960

約数和(自身を除く): 830639718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2663, 4721, 5326, 7989, 9442, 14163, 15978, 23967, 28326, 42489, 47934, 71901, 84978, 127467, 143802, 254934, 12572023, 25144046, 37716069, 75432138, 113148207, 226296414, 339444621, 678889242]

約数ペア:

[(1, 678889242), (2, 339444621), (3, 226296414), (6, 113148207), (9, 75432138), (18, 37716069), (27, 25144046), (54, 12572023), (2663, 254934), (4721, 143802), (5326, 127467), (7989, 84978), (9442, 71901), (14163, 47934), (15978, 42489), (23967, 28326)]