128401612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{43913}}^1$

素因数の和:43977

約数の個数: 24

約数和(自身を含む): 243459216

約数和(自身を除く): 115057604

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 43913, 87826, 175652, 746521, 1493042, 1888259, 2986084, 3776518, 7553036, 32100403, 64200806, 128401612]

約数ペア:

[(1, 128401612), (2, 64200806), (4, 32100403), (17, 7553036), (34, 3776518), (43, 2986084), (68, 1888259), (86, 1493042), (172, 746521), (731, 175652), (1462, 87826), (2924, 43913)]