206865904

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{20753}}^1$

素因数の和:20857

約数の個数: 40

約数和(自身を含む): 463229280

約数和(自身を除く): 256363376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 20753, 41506, 83012, 145271, 166024, 290542, 332048, 581084, 1162168, 1847017, 2324336, 3694034, 7388068, 12929119, 14776136, 25858238, 29552272, 51716476, 103432952, 206865904]

約数ペア:

[(1, 206865904), (2, 103432952), (4, 51716476), (7, 29552272), (8, 25858238), (14, 14776136), (16, 12929119), (28, 7388068), (56, 3694034), (89, 2324336), (112, 1847017), (178, 1162168), (356, 581084), (623, 332048), (712, 290542), (1246, 166024), (1424, 145271), (2492, 83012), (4984, 41506), (9968, 20753)]