56211558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{720661}}^1$

素因数の和:720679

約数の個数: 16

約数和(自身を含む): 121071216

約数和(自身を除く): 64859658

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 720661, 1441322, 2161983, 4323966, 9368593, 18737186, 28105779, 56211558]

約数ペア:

[(1, 56211558), (2, 28105779), (3, 18737186), (6, 9368593), (13, 4323966), (26, 2161983), (39, 1441322), (78, 720661)]