256426488

素因数分解:

$2^3\times 3^2\times {\mathrm{3561479}}^1$

素因数の和:3561491

約数の個数: 24

約数和(自身を含む): 694488600

約数和(自身を除く): 438062112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3561479, 7122958, 10684437, 14245916, 21368874, 28491832, 32053311, 42737748, 64106622, 85475496, 128213244, 256426488]

約数ペア:

[(1, 256426488), (2, 128213244), (3, 85475496), (4, 64106622), (6, 42737748), (8, 32053311), (9, 28491832), (12, 21368874), (18, 14245916), (24, 10684437), (36, 7122958), (72, 3561479)]