13890919

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 17556480

約数和(自身を除く): 3665561

約数列:

[1, 7, 19, 23, 133, 161, 239, 361, 437, 1673, 2527, 3059, 4541, 5497, 8303, 31787, 38479, 58121, 86279, 104443, 603953, 731101, 1984417, 13890919]

約数ペア:

[(1, 13890919), (7, 1984417), (19, 731101), (23, 603953), (133, 104443), (161, 86279), (239, 58121), (361, 38479), (437, 31787), (1673, 8303), (2527, 5497), (3059, 4541)]