12921728

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 25946760

約数和(自身を除く): 13025032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 314, 628, 643, 1256, 1286, 2512, 2572, 5024, 5144, 10048, 10288, 20096, 20576, 41152, 82304, 100951, 201902, 403804, 807608, 1615216, 3230432, 6460864, 12921728]

約数ペア:

[(1, 12921728), (2, 6460864), (4, 3230432), (8, 1615216), (16, 807608), (32, 403804), (64, 201902), (128, 100951), (157, 82304), (314, 41152), (628, 20576), (643, 20096), (1256, 10288), (1286, 10048), (2512, 5144), (2572, 5024)]