205759516

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{3467}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 370840176

約数和(自身を除く): 165080660

約数列:

[1, 2, 4, 37, 74, 148, 401, 802, 1604, 3467, 6934, 13868, 14837, 29674, 59348, 128279, 256558, 513116, 1390267, 2780534, 5561068, 51439879, 102879758, 205759516]

約数ペア:

[(1, 205759516), (2, 102879758), (4, 51439879), (37, 5561068), (74, 2780534), (148, 1390267), (401, 513116), (802, 256558), (1604, 128279), (3467, 59348), (6934, 29674), (13868, 14837)]