42980912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{206639}}^1$

素因数の和:206660

約数の個数: 20

約数和(自身を含む): 89681760

約数和(自身を除く): 46700848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 206639, 413278, 826556, 1653112, 2686307, 3306224, 5372614, 10745228, 21490456, 42980912]

約数ペア:

[(1, 42980912), (2, 21490456), (4, 10745228), (8, 5372614), (13, 3306224), (16, 2686307), (26, 1653112), (52, 826556), (104, 413278), (208, 206639)]