128971205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{6719}}^1$

素因数の和:7084

約数の個数: 16

約数和(自身を含む): 169344000

約数和(自身を除く): 40372795

約数列:

[1, 5, 11, 55, 349, 1745, 3839, 6719, 19195, 33595, 73909, 369545, 2344931, 11724655, 25794241, 128971205]

約数ペア:

[(1, 128971205), (5, 25794241), (11, 11724655), (55, 2344931), (349, 369545), (1745, 73909), (3839, 33595), (6719, 19195)]