68446976

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 149203824

約数和(自身を除く): 80756848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 131, 157, 208, 256, 262, 314, 416, 524, 628, 832, 1048, 1256, 1664, 1703, 2041, 2096, 2512, 3328, 3406, 4082, 4192, 5024, 6812, 8164, 8384, 10048, 13624, 16328, 16768, 20096, 20567, 27248, 32656, 33536, 40192, 41134, 54496, 65312, 82268, 108992, 130624, 164536, 217984, 261248, 267371, 329072, 435968, 522496, 534742, 658144, 1069484, 1316288, 2138968, 2632576, 4277936, 5265152, 8555872, 17111744, 34223488, 68446976]

約数ペア:

[(1, 68446976), (2, 34223488), (4, 17111744), (8, 8555872), (13, 5265152), (16, 4277936), (26, 2632576), (32, 2138968), (52, 1316288), (64, 1069484), (104, 658144), (128, 534742), (131, 522496), (157, 435968), (208, 329072), (256, 267371), (262, 261248), (314, 217984), (416, 164536), (524, 130624), (628, 108992), (832, 82268), (1048, 65312), (1256, 54496), (1664, 41134), (1703, 40192), (2041, 33536), (2096, 32656), (2512, 27248), (3328, 20567), (3406, 20096), (4082, 16768), (4192, 16328), (5024, 13624), (6812, 10048), (8164, 8384)]