1390706

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 16

約数和(自身を含む): 2169024

約数和(自身を除く): 778318

約数列:

[1, 2, 43, 86, 103, 157, 206, 314, 4429, 6751, 8858, 13502, 16171, 32342, 695353, 1390706]

約数ペア:

[(1, 1390706), (2, 695353), (43, 32342), (86, 16171), (103, 13502), (157, 8858), (206, 6751), (314, 4429)]