12739888

素因数分解:

$2^4\times 7^1\times {\mathrm{113749}}^1$

素因数の和:113764

約数の個数: 20

約数和(自身を含む): 28210000

約数和(自身を除く): 15470112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113749, 227498, 454996, 796243, 909992, 1592486, 1819984, 3184972, 6369944, 12739888]

約数ペア:

[(1, 12739888), (2, 6369944), (4, 3184972), (7, 1819984), (8, 1592486), (14, 909992), (16, 796243), (28, 454996), (56, 227498), (112, 113749)]