280542145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 369863424

約数和(自身を除く): 89321279

約数列:

[1, 5, 13, 65, 101, 151, 283, 505, 755, 1313, 1415, 1963, 3679, 6565, 9815, 15251, 18395, 28583, 42733, 76255, 142915, 198263, 213665, 371579, 555529, 991315, 1857895, 2777645, 4316033, 21580165, 56108429, 280542145]

約数ペア:

[(1, 280542145), (5, 56108429), (13, 21580165), (65, 4316033), (101, 2777645), (151, 1857895), (283, 991315), (505, 555529), (755, 371579), (1313, 213665), (1415, 198263), (1963, 142915), (3679, 76255), (6565, 42733), (9815, 28583), (15251, 18395)]