206670989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 258412032

約数和(自身を除く): 51741043

約数列:

[1, 7, 17, 61, 71, 119, 401, 427, 497, 1037, 1207, 2807, 4331, 6817, 7259, 8449, 24461, 28471, 30317, 47719, 73627, 171227, 199297, 415837, 484007, 515389, 1736731, 2910859, 3388049, 12157117, 29524427, 206670989]

約数ペア:

[(1, 206670989), (7, 29524427), (17, 12157117), (61, 3388049), (71, 2910859), (119, 1736731), (401, 515389), (427, 484007), (497, 415837), (1037, 199297), (1207, 171227), (2807, 73627), (4331, 47719), (6817, 30317), (7259, 28471), (8449, 24461)]