1987288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 3920400

約数和(自身を除く): 1933112

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 109, 172, 212, 218, 344, 424, 436, 872, 2279, 4558, 4687, 5777, 9116, 9374, 11554, 18232, 18748, 23108, 37496, 46216, 248411, 496822, 993644, 1987288]

約数ペア:

[(1, 1987288), (2, 993644), (4, 496822), (8, 248411), (43, 46216), (53, 37496), (86, 23108), (106, 18748), (109, 18232), (172, 11554), (212, 9374), (218, 9116), (344, 5777), (424, 4687), (436, 4558), (872, 2279)]