128804767

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 169344000

約数和(自身を除く): 40539233

約数列:

[1, 7, 13, 17, 91, 119, 139, 221, 599, 973, 1547, 1807, 2363, 4193, 7787, 10183, 12649, 16541, 30719, 54509, 71281, 83261, 132379, 215033, 582827, 926653, 1082393, 1415437, 7576751, 9908059, 18400681, 128804767]

約数ペア:

[(1, 128804767), (7, 18400681), (13, 9908059), (17, 7576751), (91, 1415437), (119, 1082393), (139, 926653), (221, 582827), (599, 215033), (973, 132379), (1547, 83261), (1807, 71281), (2363, 54509), (4193, 30719), (7787, 16541), (10183, 12649)]