26839939

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 4586621

約数列:

[1, 7, 61, 239, 263, 427, 1673, 1841, 14579, 16043, 62857, 102053, 112301, 439999, 3834277, 26839939]

約数ペア:

[(1, 26839939), (7, 3834277), (61, 439999), (239, 112301), (263, 102053), (427, 62857), (1673, 16043), (1841, 14579)]