81078662

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{304807}}^1$

素因数の和:304835

約数の個数: 16

約数和(自身を含む): 146307840

約数和(自身を除く): 65229178

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 304807, 609614, 2133649, 4267298, 5791333, 11582666, 40539331, 81078662]

約数ペア:

[(1, 81078662), (2, 40539331), (7, 11582666), (14, 5791333), (19, 4267298), (38, 2133649), (133, 609614), (266, 304807)]