256469565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{91433}}^1$

素因数の和:91469

約数の個数: 32

約数和(自身を含む): 473993856

約数和(自身を除く): 217524291

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 91433, 274299, 457165, 1005763, 1371495, 1554361, 3017289, 4663083, 5028815, 7771805, 15086445, 17097971, 23315415, 51293913, 85489855, 256469565]

約数ペア:

[(1, 256469565), (3, 85489855), (5, 51293913), (11, 23315415), (15, 17097971), (17, 15086445), (33, 7771805), (51, 5028815), (55, 4663083), (85, 3017289), (165, 1554361), (187, 1371495), (255, 1005763), (561, 457165), (935, 274299), (2805, 91433)]