27988972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3229}}^1$

素因数の和:3441

約数の個数: 24

約数和(自身を含む): 53721360

約数和(自身を除く): 25732388

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 3229, 4334, 6458, 8668, 12916, 35519, 71038, 142076, 636113, 1272226, 2544452, 6997243, 13994486, 27988972]

約数ペア:

[(1, 27988972), (2, 13994486), (4, 6997243), (11, 2544452), (22, 1272226), (44, 636113), (197, 142076), (394, 71038), (788, 35519), (2167, 12916), (3229, 8668), (4334, 6458)]