87724637

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 122981376

約数和(自身を除く): 35256739

約数列:

[1, 7, 11, 13, 31, 77, 91, 121, 143, 217, 257, 341, 403, 847, 1001, 1573, 1799, 2387, 2821, 2827, 3341, 3751, 4433, 7967, 11011, 19789, 23387, 26257, 31031, 31097, 36751, 48763, 55769, 87637, 103571, 217679, 257257, 341341, 404261, 613459, 724997, 964007, 1139281, 2829827, 6748049, 7974967, 12532091, 87724637]

約数ペア:

[(1, 87724637), (7, 12532091), (11, 7974967), (13, 6748049), (31, 2829827), (77, 1139281), (91, 964007), (121, 724997), (143, 613459), (217, 404261), (257, 341341), (341, 257257), (403, 217679), (847, 103571), (1001, 87637), (1573, 55769), (1799, 48763), (2387, 36751), (2821, 31097), (2827, 31031), (3341, 26257), (3751, 23387), (4433, 19789), (7967, 11011)]