331387208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2180179}}^1$

素因数の和:2180204

約数の個数: 16

約数和(自身を含む): 654054000

約数和(自身を除く): 322666792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2180179, 4360358, 8720716, 17441432, 41423401, 82846802, 165693604, 331387208]

約数ペア:

[(1, 331387208), (2, 165693604), (4, 82846802), (8, 41423401), (19, 17441432), (38, 8720716), (76, 4360358), (152, 2180179)]