12728564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 23201640

約数和(自身を除く): 10473076

約数列:

[1, 2, 4, 29, 58, 116, 197, 394, 557, 788, 1114, 2228, 5713, 11426, 16153, 22852, 32306, 64612, 109729, 219458, 438916, 3182141, 6364282, 12728564]

約数ペア:

[(1, 12728564), (2, 6364282), (4, 3182141), (29, 438916), (58, 219458), (116, 109729), (197, 64612), (394, 32306), (557, 22852), (788, 16153), (1114, 11426), (2228, 5713)]