208605208

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{19301}}^1$

素因数の和:19507

約数の個数: 32

約数和(自身を含む): 449350560

約数和(自身を除く): 240745352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 10808, 19301, 38602, 77204, 135107, 154408, 270214, 540428, 1080856, 3725093, 7450186, 14900372, 26075651, 29800744, 52151302, 104302604, 208605208]

約数ペア:

[(1, 208605208), (2, 104302604), (4, 52151302), (7, 29800744), (8, 26075651), (14, 14900372), (28, 7450186), (56, 3725093), (193, 1080856), (386, 540428), (772, 270214), (1351, 154408), (1544, 135107), (2702, 77204), (5404, 38602), (10808, 19301)]