12428717

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 16588800

約数和(自身を除く): 4160083

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 239, 323, 391, 437, 1673, 2261, 2737, 3059, 4063, 4541, 5497, 7429, 28441, 31787, 38479, 52003, 77197, 93449, 104443, 540379, 654143, 731101, 1775531, 12428717]

約数ペア:

[(1, 12428717), (7, 1775531), (17, 731101), (19, 654143), (23, 540379), (119, 104443), (133, 93449), (161, 77197), (239, 52003), (323, 38479), (391, 31787), (437, 28441), (1673, 7429), (2261, 5497), (2737, 4541), (3059, 4063)]