489944013

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 751383360

約数和(自身を除く): 261439347

約数列:

[1, 3, 13, 19, 39, 57, 169, 181, 247, 281, 507, 543, 741, 843, 2353, 3211, 3439, 3653, 5339, 7059, 9633, 10317, 10959, 16017, 30589, 44707, 47489, 50861, 69407, 91767, 134121, 142467, 152583, 208221, 581191, 661193, 902291, 966359, 1743573, 1983579, 2706873, 2899077, 8595509, 12562667, 25786527, 37688001, 163314671, 489944013]

約数ペア:

[(1, 489944013), (3, 163314671), (13, 37688001), (19, 25786527), (39, 12562667), (57, 8595509), (169, 2899077), (181, 2706873), (247, 1983579), (281, 1743573), (507, 966359), (543, 902291), (741, 661193), (843, 581191), (2353, 208221), (3211, 152583), (3439, 142467), (3653, 134121), (5339, 91767), (7059, 69407), (9633, 50861), (10317, 47489), (10959, 44707), (16017, 30589)]