208069799

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 261881856

約数和(自身を除く): 53812057

約数列:

[1, 7, 23, 31, 47, 161, 217, 329, 713, 887, 1081, 1457, 4991, 6209, 7567, 10199, 20401, 27497, 33511, 41689, 142807, 192479, 234577, 291823, 632431, 958847, 1292359, 4427017, 6711929, 9046513, 29724257, 208069799]

約数ペア:

[(1, 208069799), (7, 29724257), (23, 9046513), (31, 6711929), (47, 4427017), (161, 1292359), (217, 958847), (329, 632431), (713, 291823), (887, 234577), (1081, 192479), (1457, 142807), (4991, 41689), (6209, 33511), (7567, 27497), (10199, 20401)]