821673544

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{2659}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 1641805200

約数和(自身を除く): 820131656

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 361, 428, 722, 856, 1444, 2033, 2659, 2888, 4066, 5318, 8132, 10636, 16264, 21272, 38627, 50521, 77254, 101042, 154508, 202084, 284513, 309016, 404168, 569026, 959899, 1138052, 1919798, 2276104, 3839596, 5405747, 7679192, 10811494, 21622988, 43245976, 102709193, 205418386, 410836772, 821673544]

約数ペア:

[(1, 821673544), (2, 410836772), (4, 205418386), (8, 102709193), (19, 43245976), (38, 21622988), (76, 10811494), (107, 7679192), (152, 5405747), (214, 3839596), (361, 2276104), (428, 1919798), (722, 1138052), (856, 959899), (1444, 569026), (2033, 404168), (2659, 309016), (2888, 284513), (4066, 202084), (5318, 154508), (8132, 101042), (10636, 77254), (16264, 50521), (21272, 38627)]