638382078

素因数分解:

$2^1\times 3^2\times {\mathrm{35465671}}^1$

素因数の和:35465679

約数の個数: 12

約数和(自身を含む): 1383161208

約数和(自身を除く): 744779130

約数列:

[1, 2, 3, 6, 9, 18, 35465671, 70931342, 106397013, 212794026, 319191039, 638382078]

約数ペア:

[(1, 638382078), (2, 319191039), (3, 212794026), (6, 106397013), (9, 70931342), (18, 35465671)]