81535168

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 112

約数和(自身を含む): 194584320

約数和(自身を除く): 113049152

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 59, 64, 88, 104, 118, 143, 151, 176, 208, 236, 286, 302, 352, 416, 472, 572, 604, 649, 704, 767, 832, 944, 1144, 1208, 1298, 1534, 1661, 1888, 1963, 2288, 2416, 2596, 3068, 3322, 3776, 3926, 4576, 4832, 5192, 6136, 6644, 7852, 8437, 8909, 9152, 9664, 10384, 12272, 13288, 15704, 16874, 17818, 20768, 21593, 24544, 26576, 31408, 33748, 35636, 41536, 43186, 49088, 53152, 62816, 67496, 71272, 86372, 97999, 106304, 115817, 125632, 134992, 142544, 172744, 195998, 231634, 269984, 285088, 345488, 391996, 463268, 539968, 570176, 690976, 783992, 926536, 1273987, 1381952, 1567984, 1853072, 2547974, 3135968, 3706144, 5095948, 6271936, 7412288, 10191896, 20383792, 40767584, 81535168]

約数ペア:

[(1, 81535168), (2, 40767584), (4, 20383792), (8, 10191896), (11, 7412288), (13, 6271936), (16, 5095948), (22, 3706144), (26, 3135968), (32, 2547974), (44, 1853072), (52, 1567984), (59, 1381952), (64, 1273987), (88, 926536), (104, 783992), (118, 690976), (143, 570176), (151, 539968), (176, 463268), (208, 391996), (236, 345488), (286, 285088), (302, 269984), (352, 231634), (416, 195998), (472, 172744), (572, 142544), (604, 134992), (649, 125632), (704, 115817), (767, 106304), (832, 97999), (944, 86372), (1144, 71272), (1208, 67496), (1298, 62816), (1534, 53152), (1661, 49088), (1888, 43186), (1963, 41536), (2288, 35636), (2416, 33748), (2596, 31408), (3068, 26576), (3322, 24544), (3776, 21593), (3926, 20768), (4576, 17818), (4832, 16874), (5192, 15704), (6136, 13288), (6644, 12272), (7852, 10384), (8437, 9664), (8909, 9152)]