391268864

素因数分解:

$2^9\times 7^1\times {\mathrm{109171}}^1$

素因数の和:109196

約数の個数: 40

約数和(自身を含む): 893463648

約数和(自身を除く): 502194784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 109171, 218342, 436684, 764197, 873368, 1528394, 1746736, 3056788, 3493472, 6113576, 6986944, 12227152, 13973888, 24454304, 27947776, 48908608, 55895552, 97817216, 195634432, 391268864]

約数ペア:

[(1, 391268864), (2, 195634432), (4, 97817216), (7, 55895552), (8, 48908608), (14, 27947776), (16, 24454304), (28, 13973888), (32, 12227152), (56, 6986944), (64, 6113576), (112, 3493472), (128, 3056788), (224, 1746736), (256, 1528394), (448, 873368), (512, 764197), (896, 436684), (1792, 218342), (3584, 109171)]