39942007

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 10054793

約数列:

[1, 7, 23, 49, 61, 83, 161, 343, 427, 581, 1127, 1403, 1909, 2989, 4067, 5063, 7889, 9821, 13363, 20923, 28469, 35441, 68747, 93541, 116449, 248087, 481229, 654787, 815143, 1736609, 5706001, 39942007]

約数ペア:

[(1, 39942007), (7, 5706001), (23, 1736609), (49, 815143), (61, 654787), (83, 481229), (161, 248087), (343, 116449), (427, 93541), (581, 68747), (1127, 35441), (1403, 28469), (1909, 20923), (2989, 13363), (4067, 9821), (5063, 7889)]