80136889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 101376000

約数和(自身を除く): 21239111

約数列:

[1, 7, 19, 29, 79, 133, 203, 263, 551, 553, 1501, 1841, 2291, 3857, 4997, 7627, 10507, 16037, 20777, 34979, 43529, 53389, 144913, 145439, 304703, 394763, 602533, 1014391, 2763341, 4217731, 11448127, 80136889]

約数ペア:

[(1, 80136889), (7, 11448127), (19, 4217731), (29, 2763341), (79, 1014391), (133, 602533), (203, 394763), (263, 304703), (551, 145439), (553, 144913), (1501, 53389), (1841, 43529), (2291, 34979), (3857, 20777), (4997, 16037), (7627, 10507)]