28781018

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47809}}^1$

素因数の和:47861

約数の個数: 16

約数和(自身を含む): 50487360

約数和(自身を除く): 21706342

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 47809, 95618, 334663, 669326, 2055787, 4111574, 14390509, 28781018]

約数ペア:

[(1, 28781018), (2, 14390509), (7, 4111574), (14, 2055787), (43, 669326), (86, 334663), (301, 95618), (602, 47809)]