515389

素因数分解:

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

素因数の和:156

約数の個数: 16

約数和(自身を含む): 642816

約数和(自身を除く): 127427

約数列:

[1, 7, 17, 61, 71, 119, 427, 497, 1037, 1207, 4331, 7259, 8449, 30317, 73627, 515389]

約数ペア:

[(1, 515389), (7, 73627), (17, 30317), (61, 8449), (71, 7259), (119, 4331), (427, 1207), (497, 1037)]