28657836

素因数分解:

$2^2\times 3^2\times {\mathrm{307}}^1\times {\mathrm{2593}}^1$

素因数の和:2910

約数の個数: 36

約数和(自身を含む): 72704632

約数和(自身を除く): 44046796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 307, 614, 921, 1228, 1842, 2593, 2763, 3684, 5186, 5526, 7779, 10372, 11052, 15558, 23337, 31116, 46674, 93348, 796051, 1592102, 2388153, 3184204, 4776306, 7164459, 9552612, 14328918, 28657836]

約数ペア:

[(1, 28657836), (2, 14328918), (3, 9552612), (4, 7164459), (6, 4776306), (9, 3184204), (12, 2388153), (18, 1592102), (36, 796051), (307, 93348), (614, 46674), (921, 31116), (1228, 23337), (1842, 15558), (2593, 11052), (2763, 10372), (3684, 7779), (5186, 5526)]