206531408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{300191}}^1$

素因数の和:300242

約数の個数: 20

約数和(自身を含む): 409461888

約数和(自身を除く): 202930480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 300191, 600382, 1200764, 2401528, 4803056, 12908213, 25816426, 51632852, 103265704, 206531408]

約数ペア:

[(1, 206531408), (2, 103265704), (4, 51632852), (8, 25816426), (16, 12908213), (43, 4803056), (86, 2401528), (172, 1200764), (344, 600382), (688, 300191)]