208519304

素因数分解:

$2^3\times 7^3\times {\mathrm{75991}}^1$

素因数の和:76018

約数の個数: 32

約数和(自身を含む): 455952000

約数和(自身を除く): 247432696

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 75991, 151982, 303964, 531937, 607928, 1063874, 2127748, 3723559, 4255496, 7447118, 14894236, 26064913, 29788472, 52129826, 104259652, 208519304]

約数ペア:

[(1, 208519304), (2, 104259652), (4, 52129826), (7, 29788472), (8, 26064913), (14, 14894236), (28, 7447118), (49, 4255496), (56, 3723559), (98, 2127748), (196, 1063874), (343, 607928), (392, 531937), (686, 303964), (1372, 151982), (2744, 75991)]