645880586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{11903}}^1$

素因数の和:14005

約数の個数: 16

約数和(自身を含む): 1043933184

約数和(自身を除く): 398052598

約数列:

[1, 2, 13, 26, 2087, 4174, 11903, 23806, 27131, 54262, 154739, 309478, 24841561, 49683122, 322940293, 645880586]

約数ペア:

[(1, 645880586), (2, 322940293), (13, 49683122), (26, 24841561), (2087, 309478), (4174, 154739), (11903, 54262), (23806, 27131)]