12987766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20357}}^1$

素因数の和:20399

約数の個数: 16

約数和(自身を含む): 21986640

約数和(自身を除く): 8998874

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 20357, 40714, 223927, 447854, 590353, 1180706, 6493883, 12987766]

約数ペア:

[(1, 12987766), (2, 6493883), (11, 1180706), (22, 590353), (29, 447854), (58, 223927), (319, 40714), (638, 20357)]