687258468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 1951645696

約数和(自身を除く): 1264387228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 127, 156, 186, 234, 254, 279, 372, 373, 381, 403, 468, 508, 558, 746, 762, 806, 1116, 1119, 1143, 1209, 1492, 1524, 1612, 1651, 2238, 2286, 2418, 3302, 3357, 3627, 3937, 4476, 4572, 4836, 4849, 4953, 6604, 6714, 7254, 7874, 9698, 9906, 11563, 11811, 13428, 14508, 14547, 14859, 15748, 19396, 19812, 23126, 23622, 29094, 29718, 34689, 35433, 43641, 46252, 47244, 47371, 51181, 58188, 59436, 69378, 70866, 87282, 94742, 102362, 104067, 138756, 141732, 142113, 150319, 153543, 174564, 189484, 204724, 208134, 284226, 300638, 307086, 416268, 426339, 450957, 460629, 568452, 601276, 614172, 615823, 852678, 901914, 921258, 1231646, 1352871, 1468501, 1705356, 1803828, 1842516, 1847469, 2463292, 2705742, 2937002, 3694938, 4405503, 5411484, 5542407, 5874004, 7389876, 8811006, 11084814, 13216509, 17622012, 19090513, 22169628, 26433018, 38181026, 52866036, 57271539, 76362052, 114543078, 171814617, 229086156, 343629234, 687258468]

約数ペア:

[(1, 687258468), (2, 343629234), (3, 229086156), (4, 171814617), (6, 114543078), (9, 76362052), (12, 57271539), (13, 52866036), (18, 38181026), (26, 26433018), (31, 22169628), (36, 19090513), (39, 17622012), (52, 13216509), (62, 11084814), (78, 8811006), (93, 7389876), (117, 5874004), (124, 5542407), (127, 5411484), (156, 4405503), (186, 3694938), (234, 2937002), (254, 2705742), (279, 2463292), (372, 1847469), (373, 1842516), (381, 1803828), (403, 1705356), (468, 1468501), (508, 1352871), (558, 1231646), (746, 921258), (762, 901914), (806, 852678), (1116, 615823), (1119, 614172), (1143, 601276), (1209, 568452), (1492, 460629), (1524, 450957), (1612, 426339), (1651, 416268), (2238, 307086), (2286, 300638), (2418, 284226), (3302, 208134), (3357, 204724), (3627, 189484), (3937, 174564), (4476, 153543), (4572, 150319), (4836, 142113), (4849, 141732), (4953, 138756), (6604, 104067), (6714, 102362), (7254, 94742), (7874, 87282), (9698, 70866), (9906, 69378), (11563, 59436), (11811, 58188), (13428, 51181), (14508, 47371), (14547, 47244), (14859, 46252), (15748, 43641), (19396, 35433), (19812, 34689), (23126, 29718), (23622, 29094)]