81911808

素因数分解:

$2^{13}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 168

約数和(自身を含む): 260686296

約数和(自身を除く): 178774488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 101, 128, 132, 144, 176, 192, 198, 202, 256, 264, 288, 303, 352, 384, 396, 404, 512, 528, 576, 606, 704, 768, 792, 808, 909, 1024, 1056, 1111, 1152, 1212, 1408, 1536, 1584, 1616, 1818, 2048, 2112, 2222, 2304, 2424, 2816, 3072, 3168, 3232, 3333, 3636, 4096, 4224, 4444, 4608, 4848, 5632, 6144, 6336, 6464, 6666, 7272, 8192, 8448, 8888, 9216, 9696, 9999, 11264, 12288, 12672, 12928, 13332, 14544, 16896, 17776, 18432, 19392, 19998, 22528, 24576, 25344, 25856, 26664, 29088, 33792, 35552, 36864, 38784, 39996, 45056, 50688, 51712, 53328, 58176, 67584, 71104, 73728, 77568, 79992, 90112, 101376, 103424, 106656, 116352, 135168, 142208, 155136, 159984, 202752, 206848, 213312, 232704, 270336, 284416, 310272, 319968, 405504, 413696, 426624, 465408, 568832, 620544, 639936, 811008, 827392, 853248, 930816, 1137664, 1241088, 1279872, 1706496, 1861632, 2275328, 2482176, 2559744, 3412992, 3723264, 4550656, 5119488, 6825984, 7446528, 9101312, 10238976, 13651968, 20477952, 27303936, 40955904, 81911808]

約数ペア:

[(1, 81911808), (2, 40955904), (3, 27303936), (4, 20477952), (6, 13651968), (8, 10238976), (9, 9101312), (11, 7446528), (12, 6825984), (16, 5119488), (18, 4550656), (22, 3723264), (24, 3412992), (32, 2559744), (33, 2482176), (36, 2275328), (44, 1861632), (48, 1706496), (64, 1279872), (66, 1241088), (72, 1137664), (88, 930816), (96, 853248), (99, 827392), (101, 811008), (128, 639936), (132, 620544), (144, 568832), (176, 465408), (192, 426624), (198, 413696), (202, 405504), (256, 319968), (264, 310272), (288, 284416), (303, 270336), (352, 232704), (384, 213312), (396, 206848), (404, 202752), (512, 159984), (528, 155136), (576, 142208), (606, 135168), (704, 116352), (768, 106656), (792, 103424), (808, 101376), (909, 90112), (1024, 79992), (1056, 77568), (1111, 73728), (1152, 71104), (1212, 67584), (1408, 58176), (1536, 53328), (1584, 51712), (1616, 50688), (1818, 45056), (2048, 39996), (2112, 38784), (2222, 36864), (2304, 35552), (2424, 33792), (2816, 29088), (3072, 26664), (3168, 25856), (3232, 25344), (3333, 24576), (3636, 22528), (4096, 19998), (4224, 19392), (4444, 18432), (4608, 17776), (4848, 16896), (5632, 14544), (6144, 13332), (6336, 12928), (6464, 12672), (6666, 12288), (7272, 11264), (8192, 9999), (8448, 9696), (8888, 9216)]