128724864

素因数分解:

$2^7\times 3^1\times {\mathrm{335221}}^1$

素因数の和:335238

約数の個数: 32

約数和(自身を含む): 341926440

約数和(自身を除く): 213201576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 335221, 670442, 1005663, 1340884, 2011326, 2681768, 4022652, 5363536, 8045304, 10727072, 16090608, 21454144, 32181216, 42908288, 64362432, 128724864]

約数ペア:

[(1, 128724864), (2, 64362432), (3, 42908288), (4, 32181216), (6, 21454144), (8, 16090608), (12, 10727072), (16, 8045304), (24, 5363536), (32, 4022652), (48, 2681768), (64, 2011326), (96, 1340884), (128, 1005663), (192, 670442), (384, 335221)]