56931355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20369}}^1$

素因数の和:20430

約数の個数: 16

約数和(自身を含む): 75287520

約数和(自身を除く): 18356165

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 20369, 101845, 264797, 875867, 1323985, 4379335, 11386271, 56931355]

約数ペア:

[(1, 56931355), (5, 11386271), (13, 4379335), (43, 1323985), (65, 875867), (215, 264797), (559, 101845), (2795, 20369)]