12749779

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5682

約数の個数: 16

約数和(自身を含む): 16243200

約数和(自身を除く): 3493421

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 5639, 39473, 95863, 107141, 671041, 749987, 1821397, 12749779]

約数ペア:

[(1, 12749779), (7, 1821397), (17, 749987), (19, 671041), (119, 107141), (133, 95863), (323, 39473), (2261, 5639)]