28339935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 24495393

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 83, 85, 103, 195, 221, 249, 255, 309, 415, 515, 663, 1079, 1105, 1245, 1339, 1411, 1545, 1751, 3237, 3315, 4017, 4233, 5253, 5395, 6695, 7055, 8549, 8755, 16185, 18343, 20085, 21165, 22763, 25647, 26265, 42745, 55029, 68289, 91715, 111137, 113815, 128235, 145333, 275145, 333411, 341445, 435999, 555685, 726665, 1667055, 1889329, 2179995, 5667987, 9446645, 28339935]

約数ペア:

[(1, 28339935), (3, 9446645), (5, 5667987), (13, 2179995), (15, 1889329), (17, 1667055), (39, 726665), (51, 555685), (65, 435999), (83, 341445), (85, 333411), (103, 275145), (195, 145333), (221, 128235), (249, 113815), (255, 111137), (309, 91715), (415, 68289), (515, 55029), (663, 42745), (1079, 26265), (1105, 25647), (1245, 22763), (1339, 21165), (1411, 20085), (1545, 18343), (1751, 16185), (3237, 8755), (3315, 8549), (4017, 7055), (4233, 6695), (5253, 5395)]