213556784

素因数分解:

$2^4\times 7^1\times {\mathrm{1906757}}^1$

素因数の和:1906772

約数の個数: 20

約数和(自身を含む): 472875984

約数和(自身を除く): 259319200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1906757, 3813514, 7627028, 13347299, 15254056, 26694598, 30508112, 53389196, 106778392, 213556784]

約数ペア:

[(1, 213556784), (2, 106778392), (4, 53389196), (7, 30508112), (8, 26694598), (14, 15254056), (16, 13347299), (28, 7627028), (56, 3813514), (112, 1906757)]