1491889994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5608609}}^1$

素因数の和:5608637

約数の個数: 16

約数和(自身を含む): 2692132800

約数和(自身を除く): 1200242806

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 5608609, 11217218, 39260263, 78520526, 106563571, 213127142, 745944997, 1491889994]

約数ペア:

[(1, 1491889994), (2, 745944997), (7, 213127142), (14, 106563571), (19, 78520526), (38, 39260263), (133, 11217218), (266, 5608609)]