56286438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{721621}}^1$

素因数の和:721639

約数の個数: 16

約数和(自身を含む): 121232496

約数和(自身を除く): 64946058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 721621, 1443242, 2164863, 4329726, 9381073, 18762146, 28143219, 56286438]

約数ペア:

[(1, 56286438), (2, 28143219), (3, 18762146), (6, 9381073), (13, 4329726), (26, 2164863), (39, 1443242), (78, 721621)]