2155478689

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{1579}}^1\times {\mathrm{2143}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 2703240960

約数和(自身を除く): 547762271

約数列:

[1, 7, 13, 49, 91, 637, 1579, 2143, 11053, 15001, 20527, 27859, 77371, 105007, 143689, 195013, 1005823, 1365091, 3383797, 23686579, 43989361, 165806053, 307925527, 2155478689]

約数ペア:

[(1, 2155478689), (7, 307925527), (13, 165806053), (49, 43989361), (91, 23686579), (637, 3383797), (1579, 1365091), (2143, 1005823), (11053, 195013), (15001, 143689), (20527, 105007), (27859, 77371)]