420965909

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 553473648

約数和(自身を除く): 132507739

約数列:

[1, 7, 13, 37, 49, 53, 91, 259, 337, 371, 481, 637, 689, 1813, 1961, 2359, 2597, 3367, 4381, 4823, 12469, 13727, 16513, 17861, 23569, 25493, 30667, 33761, 87283, 96089, 125027, 162097, 178451, 214669, 232193, 610981, 660857, 875189, 1134679, 1249157, 1625351, 4625999, 7942753, 8591141, 11377457, 32381993, 60137987, 420965909]

約数ペア:

[(1, 420965909), (7, 60137987), (13, 32381993), (37, 11377457), (49, 8591141), (53, 7942753), (91, 4625999), (259, 1625351), (337, 1249157), (371, 1134679), (481, 875189), (637, 660857), (689, 610981), (1813, 232193), (1961, 214669), (2359, 178451), (2597, 162097), (3367, 125027), (4381, 96089), (4823, 87283), (12469, 33761), (13727, 30667), (16513, 25493), (17861, 23569)]