388149872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{20233}}^1$

素因数の和:20361

約数の個数: 40

約数和(自身を含む): 827975280

約数和(自身を除く): 439825408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1744, 2398, 4796, 9592, 19184, 20233, 40466, 80932, 161864, 222563, 323728, 445126, 890252, 1780504, 2205397, 3561008, 4410794, 8821588, 17643176, 24259367, 35286352, 48518734, 97037468, 194074936, 388149872]

約数ペア:

[(1, 388149872), (2, 194074936), (4, 97037468), (8, 48518734), (11, 35286352), (16, 24259367), (22, 17643176), (44, 8821588), (88, 4410794), (109, 3561008), (176, 2205397), (218, 1780504), (436, 890252), (872, 445126), (1199, 323728), (1744, 222563), (2398, 161864), (4796, 80932), (9592, 40466), (19184, 20233)]