12749905

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2659}}^1$

素因数の和:2808

約数の個数: 16

約数和(自身を含む): 17619840

約数和(自身を除く): 4869935

約数列:

[1, 5, 7, 35, 137, 685, 959, 2659, 4795, 13295, 18613, 93065, 364283, 1821415, 2549981, 12749905]

約数ペア:

[(1, 12749905), (5, 2549981), (7, 1821415), (35, 364283), (137, 93065), (685, 18613), (959, 13295), (2659, 4795)]