688049248988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1\times {\mathrm{87121}}^1$

素因数の和:87918

約数の個数: 48

約数和(自身を含む): 1259616845760

約数和(自身を除く): 571567596772

約数列:

[1, 2, 4, 29, 58, 103, 116, 206, 412, 661, 1322, 2644, 2987, 5974, 11948, 19169, 38338, 68083, 76676, 87121, 136166, 174242, 272332, 348484, 1974407, 2526509, 3948814, 5053018, 7897628, 8973463, 10106036, 17946926, 35893852, 57586981, 115173962, 230347924, 260230427, 520460854, 1040921708, 1670022449, 3340044898, 5931459043, 6680089796, 11862918086, 23725836172, 172012312247, 344024624494, 688049248988]

約数ペア:

[(1, 688049248988), (2, 344024624494), (4, 172012312247), (29, 23725836172), (58, 11862918086), (103, 6680089796), (116, 5931459043), (206, 3340044898), (412, 1670022449), (661, 1040921708), (1322, 520460854), (2644, 260230427), (2987, 230347924), (5974, 115173962), (11948, 57586981), (19169, 35893852), (38338, 17946926), (68083, 10106036), (76676, 8973463), (87121, 7897628), (136166, 5053018), (174242, 3948814), (272332, 2526509), (348484, 1974407)]