209984642

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{168527}}^1$

素因数の和:168625

約数の個数: 16

約数和(自身を含む): 364020480

約数和(自身を除く): 154035838

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 168527, 337054, 1179689, 2359378, 14998903, 29997806, 104992321, 209984642]

約数ペア:

[(1, 209984642), (2, 104992321), (7, 29997806), (14, 14998903), (89, 2359378), (178, 1179689), (623, 337054), (1246, 168527)]