212071205

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{4241}}^1$

素因数の和:4456

約数の個数: 16

約数和(自身を含む): 259915824

約数和(自身を除く): 47844619

約数列:

[1, 5, 73, 137, 365, 685, 4241, 10001, 21205, 50005, 309593, 581017, 1547965, 2905085, 42414241, 212071205]

約数ペア:

[(1, 212071205), (5, 42414241), (73, 2905085), (137, 1547965), (365, 581017), (685, 309593), (4241, 50005), (10001, 21205)]