27951290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65003}}^1$

素因数の和:65053

約数の個数: 16

約数和(自身を含む): 51483168

約数和(自身を除く): 23531878

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 65003, 130006, 325015, 650030, 2795129, 5590258, 13975645, 27951290]

約数ペア:

[(1, 27951290), (2, 13975645), (5, 5590258), (10, 2795129), (43, 650030), (86, 325015), (215, 130006), (430, 65003)]