638863678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139429}}^1$

素因数の和:139539

約数の個数: 16

約数和(自身を含む): 1003896000

約数和(自身を除く): 365032322

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4582, 139429, 278858, 4043441, 8086882, 11014891, 22029782, 319431839, 638863678]

約数ペア:

[(1, 638863678), (2, 319431839), (29, 22029782), (58, 11014891), (79, 8086882), (158, 4043441), (2291, 278858), (4582, 139429)]