64327865

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 90512640

約数和(自身を除く): 26184775

約数列:

[1, 5, 7, 35, 89, 107, 193, 445, 535, 623, 749, 965, 1351, 3115, 3745, 6755, 9523, 17177, 20651, 47615, 66661, 85885, 103255, 120239, 144557, 333305, 601195, 722785, 1837939, 9189695, 12865573, 64327865]

約数ペア:

[(1, 64327865), (5, 12865573), (7, 9189695), (35, 1837939), (89, 722785), (107, 601195), (193, 333305), (445, 144557), (535, 120239), (623, 103255), (749, 85885), (965, 66661), (1351, 47615), (3115, 20651), (3745, 17177), (6755, 9523)]