838938428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{21487}}^1$

素因数の和:21761

約数の個数: 24

約数和(自身を含む): 1508973312

約数和(自身を除く): 670034884

約数列:

[1, 2, 4, 43, 86, 172, 227, 454, 908, 9761, 19522, 21487, 39044, 42974, 85948, 923941, 1847882, 3695764, 4877549, 9755098, 19510196, 209734607, 419469214, 838938428]

約数ペア:

[(1, 838938428), (2, 419469214), (4, 209734607), (43, 19510196), (86, 9755098), (172, 4877549), (227, 3695764), (454, 1847882), (908, 923941), (9761, 85948), (19522, 42974), (21487, 39044)]