12400982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5581}}^1$

素因数の和:5695

約数の個数: 16

約数和(自身を含む): 20497104

約数和(自身を除く): 8096122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 5581, 11162, 61391, 122782, 563681, 1127362, 6200491, 12400982]

約数ペア:

[(1, 12400982), (2, 6200491), (11, 1127362), (22, 563681), (101, 122782), (202, 61391), (1111, 11162), (2222, 5581)]