247990589

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 319503360

約数和(自身を除く): 71512771

約数列:

[1, 7, 11, 43, 77, 121, 301, 473, 619, 847, 1331, 3311, 4333, 5203, 6809, 9317, 26617, 36421, 47663, 57233, 74899, 186319, 292787, 400631, 524293, 823889, 2049509, 3220657, 5767223, 22544599, 35427227, 247990589]

約数ペア:

[(1, 247990589), (7, 35427227), (11, 22544599), (43, 5767223), (77, 3220657), (121, 2049509), (301, 823889), (473, 524293), (619, 400631), (847, 292787), (1331, 186319), (3311, 74899), (4333, 57233), (5203, 47663), (6809, 36421), (9317, 26617)]