205812418

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{639169}}^1$

素因数の和:639201

約数の個数: 16

約数和(自身を含む): 368161920

約数和(自身を除く): 162349502

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 639169, 1278338, 4474183, 8948366, 14700887, 29401774, 102906209, 205812418]

約数ペア:

[(1, 205812418), (2, 102906209), (7, 29401774), (14, 14700887), (23, 8948366), (46, 4474183), (161, 1278338), (322, 639169)]