128587998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278329}}^1$

素因数の和:278352

約数の個数: 32

約数和(自身を含む): 320636160

約数和(自身を除く): 192048162

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 278329, 556658, 834987, 1669974, 1948303, 3061619, 3896606, 5844909, 6123238, 9184857, 11689818, 18369714, 21431333, 42862666, 64293999, 128587998]

約数ペア:

[(1, 128587998), (2, 64293999), (3, 42862666), (6, 21431333), (7, 18369714), (11, 11689818), (14, 9184857), (21, 6123238), (22, 5844909), (33, 3896606), (42, 3061619), (66, 1948303), (77, 1669974), (154, 834987), (231, 556658), (462, 278329)]