664622444

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{20123}}^1$

素因数の和:20509

約数の個数: 24

約数和(自身を含む): 1217099520

約数和(自身を除く): 552477076

約数列:

[1, 2, 4, 23, 46, 92, 359, 718, 1436, 8257, 16514, 20123, 33028, 40246, 80492, 462829, 925658, 1851316, 7224157, 14448314, 28896628, 166155611, 332311222, 664622444]

約数ペア:

[(1, 664622444), (2, 332311222), (4, 166155611), (23, 28896628), (46, 14448314), (92, 7224157), (359, 1851316), (718, 925658), (1436, 462829), (8257, 80492), (16514, 40246), (20123, 33028)]