256788396

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{13691}}^1$

素因数の和:14222

約数の個数: 36

約数和(自身を含む): 650397384

約数和(自身を除く): 393608988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1563, 2084, 3126, 4689, 6252, 9378, 13691, 18756, 27382, 41073, 54764, 82146, 123219, 164292, 246438, 492876, 7133011, 14266022, 21399033, 28532044, 42798066, 64197099, 85596132, 128394198, 256788396]

約数ペア:

[(1, 256788396), (2, 128394198), (3, 85596132), (4, 64197099), (6, 42798066), (9, 28532044), (12, 21399033), (18, 14266022), (36, 7133011), (521, 492876), (1042, 246438), (1563, 164292), (2084, 123219), (3126, 82146), (4689, 54764), (6252, 41073), (9378, 27382), (13691, 18756)]