2489551512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2551}}^1$

素因数の和:2761

約数の個数: 128

約数和(自身を含む): 7354659840

約数和(自身を除く): 4865108328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 157, 168, 222, 259, 296, 314, 444, 471, 518, 628, 777, 888, 942, 1036, 1099, 1256, 1554, 1884, 2072, 2198, 2551, 3108, 3297, 3768, 4396, 5102, 5809, 6216, 6594, 7653, 8792, 10204, 11618, 13188, 15306, 17427, 17857, 20408, 23236, 26376, 30612, 34854, 35714, 40663, 46472, 53571, 61224, 69708, 71428, 81326, 94387, 107142, 121989, 139416, 142856, 162652, 188774, 214284, 243978, 283161, 325304, 377548, 400507, 428568, 487956, 566322, 660709, 755096, 801014, 975912, 1132644, 1201521, 1321418, 1602028, 1982127, 2265288, 2403042, 2642836, 2803549, 3204056, 3964254, 4806084, 5285672, 5607098, 7928508, 8410647, 9612168, 11214196, 14818759, 15857016, 16821294, 22428392, 29637518, 33642588, 44456277, 59275036, 67285176, 88912554, 103731313, 118550072, 177825108, 207462626, 311193939, 355650216, 414925252, 622387878, 829850504, 1244775756, 2489551512]

約数ペア:

[(1, 2489551512), (2, 1244775756), (3, 829850504), (4, 622387878), (6, 414925252), (7, 355650216), (8, 311193939), (12, 207462626), (14, 177825108), (21, 118550072), (24, 103731313), (28, 88912554), (37, 67285176), (42, 59275036), (56, 44456277), (74, 33642588), (84, 29637518), (111, 22428392), (148, 16821294), (157, 15857016), (168, 14818759), (222, 11214196), (259, 9612168), (296, 8410647), (314, 7928508), (444, 5607098), (471, 5285672), (518, 4806084), (628, 3964254), (777, 3204056), (888, 2803549), (942, 2642836), (1036, 2403042), (1099, 2265288), (1256, 1982127), (1554, 1602028), (1884, 1321418), (2072, 1201521), (2198, 1132644), (2551, 975912), (3108, 801014), (3297, 755096), (3768, 660709), (4396, 566322), (5102, 487956), (5809, 428568), (6216, 400507), (6594, 377548), (7653, 325304), (8792, 283161), (10204, 243978), (11618, 214284), (13188, 188774), (15306, 162652), (17427, 142856), (17857, 139416), (20408, 121989), (23236, 107142), (26376, 94387), (30612, 81326), (34854, 71428), (35714, 69708), (40663, 61224), (46472, 53571)]