16880666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 29282688

約数和(自身を除く): 12402022

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 457, 506, 803, 914, 1606, 1679, 3358, 5027, 10054, 10511, 18469, 21022, 33361, 36938, 66722, 115621, 231242, 366971, 733942, 767303, 1534606, 8440333, 16880666]

約数ペア:

[(1, 16880666), (2, 8440333), (11, 1534606), (22, 767303), (23, 733942), (46, 366971), (73, 231242), (146, 115621), (253, 66722), (457, 36938), (506, 33361), (803, 21022), (914, 18469), (1606, 10511), (1679, 10054), (3358, 5027)]