890677515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 1877686272

約数和(自身を除く): 987008757

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 131, 195, 221, 255, 273, 293, 357, 393, 455, 595, 655, 663, 879, 917, 1105, 1365, 1465, 1547, 1703, 1785, 1965, 2051, 2227, 2751, 3315, 3809, 4395, 4585, 4641, 4981, 5109, 6153, 6681, 7735, 8515, 10255, 11135, 11427, 11921, 13755, 14943, 15589, 19045, 23205, 24905, 25545, 26663, 28951, 30765, 33405, 34867, 35763, 38383, 46767, 57135, 59605, 64753, 74715, 77945, 79989, 86853, 104601, 115149, 133315, 144755, 174335, 178815, 191915, 194259, 202657, 233835, 268681, 323765, 399945, 434265, 453271, 498979, 523005, 575745, 607971, 652511, 806043, 971295, 1013285, 1343405, 1359813, 1496937, 1957533, 2266355, 2494895, 3039855, 3262555, 3492853, 4030215, 4567577, 6799065, 7484685, 8482643, 9787665, 10478559, 13702731, 17464265, 22837885, 25447929, 42413215, 52392795, 59378501, 68513655, 127239645, 178135503, 296892505, 890677515]

約数ペア:

[(1, 890677515), (3, 296892505), (5, 178135503), (7, 127239645), (13, 68513655), (15, 59378501), (17, 52392795), (21, 42413215), (35, 25447929), (39, 22837885), (51, 17464265), (65, 13702731), (85, 10478559), (91, 9787665), (105, 8482643), (119, 7484685), (131, 6799065), (195, 4567577), (221, 4030215), (255, 3492853), (273, 3262555), (293, 3039855), (357, 2494895), (393, 2266355), (455, 1957533), (595, 1496937), (655, 1359813), (663, 1343405), (879, 1013285), (917, 971295), (1105, 806043), (1365, 652511), (1465, 607971), (1547, 575745), (1703, 523005), (1785, 498979), (1965, 453271), (2051, 434265), (2227, 399945), (2751, 323765), (3315, 268681), (3809, 233835), (4395, 202657), (4585, 194259), (4641, 191915), (4981, 178815), (5109, 174335), (6153, 144755), (6681, 133315), (7735, 115149), (8515, 104601), (10255, 86853), (11135, 79989), (11427, 77945), (11921, 74715), (13755, 64753), (14943, 59605), (15589, 57135), (19045, 46767), (23205, 38383), (24905, 35763), (25545, 34867), (26663, 33405), (28951, 30765)]