256384016

素因数分解:

$2^4\times 7^1\times {\mathrm{2289143}}^1$

素因数の和:2289158

約数の個数: 20

約数和(自身を含む): 567707712

約数和(自身を除く): 311323696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2289143, 4578286, 9156572, 16024001, 18313144, 32048002, 36626288, 64096004, 128192008, 256384016]

約数ペア:

[(1, 256384016), (2, 128192008), (4, 64096004), (7, 36626288), (8, 32048002), (14, 18313144), (16, 16024001), (28, 9156572), (56, 4578286), (112, 2289143)]