256482642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{2551}}^1$

素因数の和:3858

約数の個数: 32

約数和(自身を含む): 553069440

約数和(自身を除く): 296586798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1289, 2551, 2578, 3867, 5102, 7653, 7734, 15306, 16757, 33163, 33514, 50271, 66326, 99489, 100542, 198978, 3288239, 6576478, 9864717, 19729434, 42747107, 85494214, 128241321, 256482642]

約数ペア:

[(1, 256482642), (2, 128241321), (3, 85494214), (6, 42747107), (13, 19729434), (26, 9864717), (39, 6576478), (78, 3288239), (1289, 198978), (2551, 100542), (2578, 99489), (3867, 66326), (5102, 50271), (7653, 33514), (7734, 33163), (15306, 16757)]