289365517

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{39863}}^1$

素因数の和:39948

約数の個数: 16

約数和(自身を含む): 355905792

約数和(自身を除く): 66540275

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 39863, 279041, 677671, 2431643, 4743697, 17021501, 41337931, 289365517]

約数ペア:

[(1, 289365517), (7, 41337931), (17, 17021501), (61, 4743697), (119, 2431643), (427, 677671), (1037, 279041), (7259, 39863)]