261842867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 318743040

約数和(自身を除く): 56900173

約数列:

[1, 11, 13, 43, 97, 143, 439, 473, 559, 1067, 1261, 4171, 4829, 5707, 6149, 13871, 18877, 42583, 45881, 54223, 62777, 207647, 245401, 468413, 553579, 596453, 1831069, 2699411, 6089369, 20141759, 23803897, 261842867]

約数ペア:

[(1, 261842867), (11, 23803897), (13, 20141759), (43, 6089369), (97, 2699411), (143, 1831069), (439, 596453), (473, 553579), (559, 468413), (1067, 245401), (1261, 207647), (4171, 62777), (4829, 54223), (5707, 45881), (6149, 42583), (13871, 18877)]