28389922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{11839}}^1$

素因数の和:11961

約数の個数: 16

約数和(自身を含む): 46886400

約数和(自身を除く): 18496478

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 11839, 23678, 130229, 260458, 1290451, 2580902, 14194961, 28389922]

約数ペア:

[(1, 28389922), (2, 14194961), (11, 2580902), (22, 1290451), (109, 260458), (218, 130229), (1199, 23678), (2398, 11839)]