256645565596

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{1321}}^1$

素因数の和:2040

約数の個数: 144

約数和(自身を含む): 554181046272

約数和(自身を除く): 297535480676

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 71, 92, 98, 142, 161, 196, 284, 322, 497, 607, 644, 994, 1127, 1214, 1321, 1633, 1988, 2254, 2428, 2642, 3266, 3479, 4249, 4508, 5284, 6532, 6958, 8498, 9247, 11431, 13916, 13961, 16996, 18494, 22862, 27922, 29743, 30383, 36988, 43097, 45724, 55844, 59486, 60766, 64729, 80017, 86194, 93791, 97727, 118972, 121532, 129458, 160034, 172388, 187582, 195454, 212681, 258916, 301679, 320068, 375164, 390908, 425362, 603358, 656537, 684089, 801847, 850724, 991231, 1206716, 1313074, 1368178, 1488767, 1603694, 1982462, 2111753, 2157193, 2626148, 2736356, 2977534, 3207388, 3964924, 4223506, 4314386, 4595759, 5612929, 5955068, 6938617, 8447012, 8628772, 9191518, 11225858, 13877234, 15100351, 18383036, 18442481, 22451716, 27754468, 30200702, 36884962, 39290503, 48570319, 56931137, 60401404, 73769924, 78581006, 97140638, 105702457, 113862274, 129097367, 157162012, 194281276, 211404914, 227724548, 258194734, 398517959, 422809828, 516389468, 797035918, 903681569, 1309416151, 1594071836, 1807363138, 2618832302, 2789625713, 3614726276, 5237664604, 5579251426, 9165913057, 11158502852, 18331826114, 36663652228, 64161391399, 128322782798, 256645565596]

約数ペア:

[(1, 256645565596), (2, 128322782798), (4, 64161391399), (7, 36663652228), (14, 18331826114), (23, 11158502852), (28, 9165913057), (46, 5579251426), (49, 5237664604), (71, 3614726276), (92, 2789625713), (98, 2618832302), (142, 1807363138), (161, 1594071836), (196, 1309416151), (284, 903681569), (322, 797035918), (497, 516389468), (607, 422809828), (644, 398517959), (994, 258194734), (1127, 227724548), (1214, 211404914), (1321, 194281276), (1633, 157162012), (1988, 129097367), (2254, 113862274), (2428, 105702457), (2642, 97140638), (3266, 78581006), (3479, 73769924), (4249, 60401404), (4508, 56931137), (5284, 48570319), (6532, 39290503), (6958, 36884962), (8498, 30200702), (9247, 27754468), (11431, 22451716), (13916, 18442481), (13961, 18383036), (16996, 15100351), (18494, 13877234), (22862, 11225858), (27922, 9191518), (29743, 8628772), (30383, 8447012), (36988, 6938617), (43097, 5955068), (45724, 5612929), (55844, 4595759), (59486, 4314386), (60766, 4223506), (64729, 3964924), (80017, 3207388), (86194, 2977534), (93791, 2736356), (97727, 2626148), (118972, 2157193), (121532, 2111753), (129458, 1982462), (160034, 1603694), (172388, 1488767), (187582, 1368178), (195454, 1313074), (212681, 1206716), (258916, 991231), (301679, 850724), (320068, 801847), (375164, 684089), (390908, 656537), (425362, 603358)]