28691354545

素因数分解:

$5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1328611}}^1$

素因数の和:1329240

約数の個数: 16

約数和(自身を含む): 39411946368

約数和(自身を除く): 10720591823

約数列:

[1, 5, 7, 35, 617, 3085, 4319, 21595, 1328611, 6643055, 9300277, 46501385, 819752987, 4098764935, 5738270909, 28691354545]

約数ペア:

[(1, 28691354545), (5, 5738270909), (7, 4098764935), (35, 819752987), (617, 46501385), (3085, 9300277), (4319, 6643055), (21595, 1328611)]