256769576

素因数分解:

$2^3\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{4157}}^1$

素因数の和:5273

約数の個数: 32

約数和(自身を含む): 550851840

約数和(自身を除く): 294082264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1103, 2206, 4157, 4412, 7721, 8314, 8824, 15442, 16628, 29099, 30884, 33256, 58198, 61768, 116396, 232792, 4585171, 9170342, 18340684, 32096197, 36681368, 64192394, 128384788, 256769576]

約数ペア:

[(1, 256769576), (2, 128384788), (4, 64192394), (7, 36681368), (8, 32096197), (14, 18340684), (28, 9170342), (56, 4585171), (1103, 232792), (2206, 116396), (4157, 61768), (4412, 58198), (7721, 33256), (8314, 30884), (8824, 29099), (15442, 16628)]