391518719

素因数分解:

${\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 427172592

約数和(自身を除く): 35653873

約数列:

[1, 23, 37, 83, 241, 529, 851, 1909, 3071, 5543, 8917, 19573, 20003, 43907, 70633, 127489, 205091, 460069, 740111, 1624559, 4717093, 10581587, 17022553, 391518719]

約数ペア:

[(1, 391518719), (23, 17022553), (37, 10581587), (83, 4717093), (241, 1624559), (529, 740111), (851, 460069), (1909, 205091), (3071, 127489), (5543, 70633), (8917, 43907), (19573, 20003)]