12687778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:833

約数の個数: 16

約数和(自身を含む): 19595520

約数和(自身を除く): 6907742

約数列:

[1, 2, 41, 82, 359, 431, 718, 862, 14719, 17671, 29438, 35342, 154729, 309458, 6343889, 12687778]

約数ペア:

[(1, 12687778), (2, 6343889), (41, 309458), (82, 154729), (359, 35342), (431, 29438), (718, 17671), (862, 14719)]