1640391018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{39056929}}^1$

素因数の和:39056941

約数の個数: 16

約数和(自身を含む): 3749465280

約数和(自身を除く): 2109074262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 39056929, 78113858, 117170787, 234341574, 273398503, 546797006, 820195509, 1640391018]

約数ペア:

[(1, 1640391018), (2, 820195509), (3, 546797006), (6, 273398503), (7, 234341574), (14, 117170787), (21, 78113858), (42, 39056929)]