12664465

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 20

約数和(自身を含む): 16813620

約数和(自身を除く): 4149155

約数列:

[1, 5, 11, 55, 121, 173, 605, 865, 1331, 1903, 6655, 9515, 14641, 20933, 73205, 104665, 230263, 1151315, 2532893, 12664465]

約数ペア:

[(1, 12664465), (5, 2532893), (11, 1151315), (55, 230263), (121, 104665), (173, 73205), (605, 20933), (865, 14641), (1331, 9515), (1903, 6655)]