208334312

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{4357}}^1$

素因数の和:4545

約数の個数: 32

約数和(自身を含む): 402679200

約数和(自身を除く): 194344888

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 556, 1112, 4357, 5977, 8714, 11954, 17428, 23908, 34856, 47816, 187351, 374702, 605623, 749404, 1211246, 1498808, 2422492, 4844984, 26041789, 52083578, 104167156, 208334312]

約数ペア:

[(1, 208334312), (2, 104167156), (4, 52083578), (8, 26041789), (43, 4844984), (86, 2422492), (139, 1498808), (172, 1211246), (278, 749404), (344, 605623), (556, 374702), (1112, 187351), (4357, 47816), (5977, 34856), (8714, 23908), (11954, 17428)]