256121808

素因数分解:

$2^4\times 3^1\times {\mathrm{193}}^1\times {\mathrm{27647}}^1$

素因数の和:27851

約数の個数: 40

約数和(自身を含む): 665100288

約数和(自身を除く): 408978480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 193, 386, 579, 772, 1158, 1544, 2316, 3088, 4632, 9264, 27647, 55294, 82941, 110588, 165882, 221176, 331764, 442352, 663528, 1327056, 5335871, 10671742, 16007613, 21343484, 32015226, 42686968, 64030452, 85373936, 128060904, 256121808]

約数ペア:

[(1, 256121808), (2, 128060904), (3, 85373936), (4, 64030452), (6, 42686968), (8, 32015226), (12, 21343484), (16, 16007613), (24, 10671742), (48, 5335871), (193, 1327056), (386, 663528), (579, 442352), (772, 331764), (1158, 221176), (1544, 165882), (2316, 110588), (3088, 82941), (4632, 55294), (9264, 27647)]