664731664

素因数分解:

$2^4\times {\mathrm{1549}}^1\times {\mathrm{26821}}^1$

素因数の和:28378

約数の個数: 20

約数和(自身を含む): 1288797100

約数和(自身を除く): 624065436

約数列:

[1, 2, 4, 8, 16, 1549, 3098, 6196, 12392, 24784, 26821, 53642, 107284, 214568, 429136, 41545729, 83091458, 166182916, 332365832, 664731664]

約数ペア:

[(1, 664731664), (2, 332365832), (4, 166182916), (8, 83091458), (16, 41545729), (1549, 429136), (3098, 214568), (6196, 107284), (12392, 53642), (24784, 26821)]