27867784

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 62346240

約数和(自身を除く): 34478456

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 71, 86, 142, 163, 172, 284, 301, 326, 344, 497, 568, 602, 652, 994, 1141, 1204, 1304, 1988, 2282, 2408, 3053, 3976, 4564, 6106, 7009, 9128, 11573, 12212, 14018, 21371, 23146, 24424, 28036, 42742, 46292, 49063, 56072, 81011, 85484, 92584, 98126, 162022, 170968, 196252, 324044, 392504, 497639, 648088, 995278, 1990556, 3483473, 3981112, 6966946, 13933892, 27867784]

約数ペア:

[(1, 27867784), (2, 13933892), (4, 6966946), (7, 3981112), (8, 3483473), (14, 1990556), (28, 995278), (43, 648088), (56, 497639), (71, 392504), (86, 324044), (142, 196252), (163, 170968), (172, 162022), (284, 98126), (301, 92584), (326, 85484), (344, 81011), (497, 56072), (568, 49063), (602, 46292), (652, 42742), (994, 28036), (1141, 24424), (1204, 23146), (1304, 21371), (1988, 14018), (2282, 12212), (2408, 11573), (3053, 9128), (3976, 7009), (4564, 6106)]