289656428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{23719}}^1$

素因数の和:23837

約数の個数: 24

約数和(自身を含む): 526014720

約数和(自身を除く): 236358292

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 3053, 6106, 12212, 23719, 47438, 94876, 1019917, 1684049, 2039834, 3368098, 4079668, 6736196, 72414107, 144828214, 289656428]

約数ペア:

[(1, 289656428), (2, 144828214), (4, 72414107), (43, 6736196), (71, 4079668), (86, 3368098), (142, 2039834), (172, 1684049), (284, 1019917), (3053, 94876), (6106, 47438), (12212, 23719)]