989837856

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{490991}}^1$

素因数の和:491014

約数の個数: 72

約数和(自身を含む): 3216979584

約数和(自身を除く): 2227141728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 490991, 981982, 1472973, 1963964, 2945946, 3436937, 3927928, 4418919, 5891892, 6873874, 7855856, 8837838, 10310811, 11783784, 13747748, 15711712, 17675676, 20621622, 23567568, 27495496, 30932433, 35351352, 41243244, 47135136, 54990992, 61864866, 70702704, 82486488, 109981984, 123729732, 141405408, 164972976, 247459464, 329945952, 494918928, 989837856]

約数ペア:

[(1, 989837856), (2, 494918928), (3, 329945952), (4, 247459464), (6, 164972976), (7, 141405408), (8, 123729732), (9, 109981984), (12, 82486488), (14, 70702704), (16, 61864866), (18, 54990992), (21, 47135136), (24, 41243244), (28, 35351352), (32, 30932433), (36, 27495496), (42, 23567568), (48, 20621622), (56, 17675676), (63, 15711712), (72, 13747748), (84, 11783784), (96, 10310811), (112, 8837838), (126, 7855856), (144, 6873874), (168, 5891892), (224, 4418919), (252, 3927928), (288, 3436937), (336, 2945946), (504, 1963964), (672, 1472973), (1008, 981982), (2016, 490991)]