208.000000

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 762048

約数和(自身を除く): 475212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 53, 66, 82, 106, 123, 132, 159, 164, 212, 246, 318, 451, 492, 583, 636, 902, 1166, 1353, 1749, 1804, 2173, 2332, 2706, 3498, 4346, 5412, 6519, 6996, 8692, 13038, 23903, 26076, 47806, 71709, 95612, 143418, 286836]

約数ペア:

[(1, 286836), (2, 143418), (3, 95612), (4, 71709), (6, 47806), (11, 26076), (12, 23903), (22, 13038), (33, 8692), (41, 6996), (44, 6519), (53, 5412), (66, 4346), (82, 3498), (106, 2706), (123, 2332), (132, 2173), (159, 1804), (164, 1749), (212, 1353), (246, 1166), (318, 902), (451, 636), (492, 583)]