209705875072

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{1459}}^1\times {\mathrm{21187}}^1$

素因数の和:22713

約数の個数: 64

約数和(自身を含む): 425967789600

約数和(自身を除く): 216261914528

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1459, 1696, 2918, 3392, 5836, 6784, 11672, 21187, 23344, 42374, 46688, 77327, 84748, 93376, 154654, 169496, 186752, 309308, 338992, 618616, 677984, 1122911, 1237232, 1355968, 2245822, 2474464, 2711936, 4491644, 4948928, 8983288, 9897856, 17966576, 30911833, 35933152, 61823666, 71866304, 123647332, 143732608, 247294664, 494589328, 989178656, 1638327149, 1978357312, 3276654298, 3956714624, 6553308596, 13106617192, 26213234384, 52426468768, 104852937536, 209705875072]

約数ペア:

[(1, 209705875072), (2, 104852937536), (4, 52426468768), (8, 26213234384), (16, 13106617192), (32, 6553308596), (53, 3956714624), (64, 3276654298), (106, 1978357312), (128, 1638327149), (212, 989178656), (424, 494589328), (848, 247294664), (1459, 143732608), (1696, 123647332), (2918, 71866304), (3392, 61823666), (5836, 35933152), (6784, 30911833), (11672, 17966576), (21187, 9897856), (23344, 8983288), (42374, 4948928), (46688, 4491644), (77327, 2711936), (84748, 2474464), (93376, 2245822), (154654, 1355968), (169496, 1237232), (186752, 1122911), (309308, 677984), (338992, 618616)]