668048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 20

約数和(自身を含む): 1325808

約数和(自身を除く): 657760

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 971, 1942, 3884, 7768, 15536, 41753, 83506, 167012, 334024, 668048]

約数ペア:

[(1, 668048), (2, 334024), (4, 167012), (8, 83506), (16, 41753), (43, 15536), (86, 7768), (172, 3884), (344, 1942), (688, 971)]