72331889

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 90419328

約数和(自身を除く): 18087439

約数列:

[1, 7, 17, 49, 71, 119, 497, 833, 1207, 1223, 3479, 8449, 8561, 20791, 59143, 59927, 86833, 145537, 607831, 1018759, 1476161, 4254817, 10333127, 72331889]

約数ペア:

[(1, 72331889), (7, 10333127), (17, 4254817), (49, 1476161), (71, 1018759), (119, 607831), (497, 145537), (833, 86833), (1207, 59927), (1223, 59143), (3479, 20791), (8449, 8561)]