138999166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{21739}}^1$

素因数の和:21903

約数の個数: 16

約数和(自身を含む): 219139200

約数和(自身を除く): 80140034

約数列:

[1, 2, 23, 46, 139, 278, 3197, 6394, 21739, 43478, 499997, 999994, 3021721, 6043442, 69499583, 138999166]

約数ペア:

[(1, 138999166), (2, 69499583), (23, 6043442), (46, 3021721), (139, 999994), (278, 499997), (3197, 43478), (6394, 21739)]