1981083146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7447681}}^1$

素因数の和:7447709

約数の個数: 16

約数和(自身を含む): 3574887360

約数和(自身を除く): 1593804214

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7447681, 14895362, 52133767, 104267534, 141505939, 283011878, 990541573, 1981083146]

約数ペア:

[(1, 1981083146), (2, 990541573), (7, 283011878), (14, 141505939), (19, 104267534), (38, 52133767), (133, 14895362), (266, 7447681)]