27989764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1511}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 53597376

約数和(自身を除く): 25607612

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1511, 1684, 3022, 4631, 6044, 9262, 16621, 18524, 33242, 66484, 636131, 1272262, 2544524, 6997441, 13994882, 27989764]

約数ペア:

[(1, 27989764), (2, 13994882), (4, 6997441), (11, 2544524), (22, 1272262), (44, 636131), (421, 66484), (842, 33242), (1511, 18524), (1684, 16621), (3022, 9262), (4631, 6044)]