263841808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1987}}^1$

素因数の和:2231

約数の個数: 40

約数和(自身を含む): 526056608

約数和(自身を除く): 262214800

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 193, 344, 386, 688, 772, 1544, 1987, 3088, 3974, 7948, 8299, 15896, 16598, 31792, 33196, 66392, 85441, 132784, 170882, 341764, 383491, 683528, 766982, 1367056, 1533964, 3067928, 6135856, 16490113, 32980226, 65960452, 131920904, 263841808]

約数ペア:

[(1, 263841808), (2, 131920904), (4, 65960452), (8, 32980226), (16, 16490113), (43, 6135856), (86, 3067928), (172, 1533964), (193, 1367056), (344, 766982), (386, 683528), (688, 383491), (772, 341764), (1544, 170882), (1987, 132784), (3088, 85441), (3974, 66392), (7948, 33196), (8299, 31792), (15896, 16598)]