640163176

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{1213}}^1\times {\mathrm{1609}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 1231360200

約数和(自身を除く): 591197024

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1213, 1609, 2426, 3218, 4852, 6436, 9704, 12872, 49733, 65969, 99466, 131938, 198932, 263876, 397864, 527752, 1951717, 3903434, 7806868, 15613736, 80020397, 160040794, 320081588, 640163176]

約数ペア:

[(1, 640163176), (2, 320081588), (4, 160040794), (8, 80020397), (41, 15613736), (82, 7806868), (164, 3903434), (328, 1951717), (1213, 527752), (1609, 397864), (2426, 263876), (3218, 198932), (4852, 131938), (6436, 99466), (9704, 65969), (12872, 49733)]