28657986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{682333}}^1$

素因数の和:682345

約数の個数: 16

約数和(自身を含む): 65504064

約数和(自身を除く): 36846078

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 682333, 1364666, 2046999, 4093998, 4776331, 9552662, 14328993, 28657986]

約数ペア:

[(1, 28657986), (2, 14328993), (3, 9552662), (6, 4776331), (7, 4093998), (14, 2046999), (21, 1364666), (42, 682333)]