129439232

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19447}}^1$

素因数の和:19478

約数の個数: 40

約数和(自身を含む): 278534256

約数和(自身を除く): 149095024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 19447, 38894, 77788, 155576, 252811, 311152, 505622, 622304, 1011244, 1244608, 2022488, 2489216, 4044976, 4978432, 8089952, 9956864, 16179904, 32359808, 64719616, 129439232]

約数ペア:

[(1, 129439232), (2, 64719616), (4, 32359808), (8, 16179904), (13, 9956864), (16, 8089952), (26, 4978432), (32, 4044976), (52, 2489216), (64, 2022488), (104, 1244608), (128, 1011244), (208, 622304), (256, 505622), (416, 311152), (512, 252811), (832, 155576), (1664, 77788), (3328, 38894), (6656, 19447)]