642474882

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 128

約数和(自身を含む): 1702010880

約数和(自身を除く): 1059535998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 71, 74, 111, 126, 142, 189, 213, 222, 259, 333, 378, 426, 497, 518, 639, 647, 666, 777, 994, 999, 1278, 1294, 1491, 1554, 1917, 1941, 1998, 2331, 2627, 2982, 3834, 3882, 4473, 4529, 4662, 5254, 5823, 6993, 7881, 8946, 9058, 11646, 13419, 13587, 13986, 15762, 17469, 18389, 23643, 23939, 26838, 27174, 34938, 36778, 40761, 45937, 47286, 47878, 55167, 70929, 71817, 81522, 91874, 110334, 122283, 137811, 141858, 143634, 165501, 167573, 215451, 244566, 275622, 321559, 331002, 335146, 413433, 430902, 496503, 502719, 643118, 646353, 826866, 964677, 993006, 1005438, 1240299, 1292706, 1508157, 1699669, 1929354, 2480598, 2894031, 3016314, 3399338, 4524471, 5099007, 5788062, 8682093, 9048942, 10198014, 11897683, 15297021, 17364186, 23795366, 30594042, 35693049, 45891063, 71386098, 91782126, 107079147, 214158294, 321237441, 642474882]

約数ペア:

[(1, 642474882), (2, 321237441), (3, 214158294), (6, 107079147), (7, 91782126), (9, 71386098), (14, 45891063), (18, 35693049), (21, 30594042), (27, 23795366), (37, 17364186), (42, 15297021), (54, 11897683), (63, 10198014), (71, 9048942), (74, 8682093), (111, 5788062), (126, 5099007), (142, 4524471), (189, 3399338), (213, 3016314), (222, 2894031), (259, 2480598), (333, 1929354), (378, 1699669), (426, 1508157), (497, 1292706), (518, 1240299), (639, 1005438), (647, 993006), (666, 964677), (777, 826866), (994, 646353), (999, 643118), (1278, 502719), (1294, 496503), (1491, 430902), (1554, 413433), (1917, 335146), (1941, 331002), (1998, 321559), (2331, 275622), (2627, 244566), (2982, 215451), (3834, 167573), (3882, 165501), (4473, 143634), (4529, 141858), (4662, 137811), (5254, 122283), (5823, 110334), (6993, 91874), (7881, 81522), (8946, 71817), (9058, 70929), (11646, 55167), (13419, 47878), (13587, 47286), (13986, 45937), (15762, 40761), (17469, 36778), (18389, 34938), (23643, 27174), (23939, 26838)]