643506502184

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{143287}}^1$

素因数の和:143543

約数の個数: 128

約数和(自身を含む): 1540632576000

約数和(自身を除く): 897126073816

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 199, 217, 248, 364, 398, 403, 434, 728, 796, 806, 868, 1393, 1592, 1612, 1736, 2587, 2786, 2821, 3224, 5174, 5572, 5642, 6169, 10348, 11144, 11284, 12338, 18109, 20696, 22568, 24676, 36218, 43183, 49352, 72436, 80197, 86366, 143287, 144872, 160394, 172732, 286574, 320788, 345464, 561379, 573148, 641576, 1003009, 1122758, 1146296, 1862731, 2006018, 2245516, 3725462, 4012036, 4441897, 4491032, 7450924, 8024072, 8883794, 13039117, 14901848, 17767588, 26078234, 28514113, 31093279, 35535176, 52156468, 57028226, 57744661, 62186558, 104312936, 114056452, 115489322, 124373116, 199598791, 228112904, 230978644, 248746232, 370683469, 399197582, 404212627, 461957288, 741366938, 798395164, 808425254, 883937503, 1482733876, 1596790328, 1616850508, 1767875006, 2594784283, 2965467752, 3233701016, 3535750012, 5189568566, 6187562521, 7071500024, 10379137132, 11491187539, 12375125042, 20758274264, 22982375078, 24750250084, 45964750156, 49500500168, 80438312773, 91929500312, 160876625546, 321753251092, 643506502184]

約数ペア:

[(1, 643506502184), (2, 321753251092), (4, 160876625546), (7, 91929500312), (8, 80438312773), (13, 49500500168), (14, 45964750156), (26, 24750250084), (28, 22982375078), (31, 20758274264), (52, 12375125042), (56, 11491187539), (62, 10379137132), (91, 7071500024), (104, 6187562521), (124, 5189568566), (182, 3535750012), (199, 3233701016), (217, 2965467752), (248, 2594784283), (364, 1767875006), (398, 1616850508), (403, 1596790328), (434, 1482733876), (728, 883937503), (796, 808425254), (806, 798395164), (868, 741366938), (1393, 461957288), (1592, 404212627), (1612, 399197582), (1736, 370683469), (2587, 248746232), (2786, 230978644), (2821, 228112904), (3224, 199598791), (5174, 124373116), (5572, 115489322), (5642, 114056452), (6169, 104312936), (10348, 62186558), (11144, 57744661), (11284, 57028226), (12338, 52156468), (18109, 35535176), (20696, 31093279), (22568, 28514113), (24676, 26078234), (36218, 17767588), (43183, 14901848), (49352, 13039117), (72436, 8883794), (80197, 8024072), (86366, 7450924), (143287, 4491032), (144872, 4441897), (160394, 4012036), (172732, 3725462), (286574, 2245516), (320788, 2006018), (345464, 1862731), (561379, 1146296), (573148, 1122758), (641576, 1003009)]