31361456

素因数分解:

$2^4\times 7^1\times {\mathrm{280013}}^1$

素因数の和:280028

約数の個数: 20

約数和(自身を含む): 69443472

約数和(自身を除く): 38082016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280013, 560026, 1120052, 1960091, 2240104, 3920182, 4480208, 7840364, 15680728, 31361456]

約数ペア:

[(1, 31361456), (2, 15680728), (4, 7840364), (7, 4480208), (8, 3920182), (14, 2240104), (16, 1960091), (28, 1120052), (56, 560026), (112, 280013)]