688889344

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^2$

素因数の和:236

約数の個数: 120

約数和(自身を含む): 1633911048

約数和(自身を除く): 945021704

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 97, 104, 128, 143, 176, 194, 208, 256, 286, 352, 388, 416, 512, 572, 704, 776, 832, 1067, 1144, 1261, 1408, 1552, 1664, 2134, 2288, 2522, 2816, 3104, 3328, 4268, 4576, 5044, 5632, 6208, 6656, 8536, 9152, 9409, 10088, 12416, 13871, 17072, 18304, 18818, 20176, 24832, 27742, 34144, 36608, 37636, 40352, 49664, 55484, 68288, 73216, 75272, 80704, 103499, 110968, 122317, 136576, 150544, 161408, 206998, 221936, 244634, 273152, 301088, 322816, 413996, 443872, 489268, 546304, 602176, 645632, 827992, 887744, 978536, 1204352, 1345487, 1655984, 1775488, 1957072, 2408704, 2690974, 3311968, 3550976, 3914144, 4817408, 5381948, 6623936, 7101952, 7828288, 10763896, 13247872, 15656576, 21527792, 26495744, 31313152, 43055584, 52991488, 62626304, 86111168, 172222336, 344444672, 688889344]

約数ペア:

[(1, 688889344), (2, 344444672), (4, 172222336), (8, 86111168), (11, 62626304), (13, 52991488), (16, 43055584), (22, 31313152), (26, 26495744), (32, 21527792), (44, 15656576), (52, 13247872), (64, 10763896), (88, 7828288), (97, 7101952), (104, 6623936), (128, 5381948), (143, 4817408), (176, 3914144), (194, 3550976), (208, 3311968), (256, 2690974), (286, 2408704), (352, 1957072), (388, 1775488), (416, 1655984), (512, 1345487), (572, 1204352), (704, 978536), (776, 887744), (832, 827992), (1067, 645632), (1144, 602176), (1261, 546304), (1408, 489268), (1552, 443872), (1664, 413996), (2134, 322816), (2288, 301088), (2522, 273152), (2816, 244634), (3104, 221936), (3328, 206998), (4268, 161408), (4576, 150544), (5044, 136576), (5632, 122317), (6208, 110968), (6656, 103499), (8536, 80704), (9152, 75272), (9409, 73216), (10088, 68288), (12416, 55484), (13871, 49664), (17072, 40352), (18304, 37636), (18818, 36608), (20176, 34144), (24832, 27742)]