28177390

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{18911}}^1$

素因数の和:19067

約数の個数: 16

約数和(自身を含む): 51062400

約数和(自身を除く): 22885010

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 18911, 37822, 94555, 189110, 2817739, 5635478, 14088695, 28177390]

約数ペア:

[(1, 28177390), (2, 14088695), (5, 5635478), (10, 2817739), (149, 189110), (298, 94555), (745, 37822), (1490, 18911)]