3985456

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1348

約数の個数: 20

約数和(自身を含む): 7763392

約数和(自身を除く): 3777936

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1117, 1784, 2234, 3568, 4468, 8936, 17872, 249091, 498182, 996364, 1992728, 3985456]

約数ペア:

[(1, 3985456), (2, 1992728), (4, 996364), (8, 498182), (16, 249091), (223, 17872), (446, 8936), (892, 4468), (1117, 3568), (1784, 2234)]