81962816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 112

約数和(自身を含む): 187756800

約数和(自身を除く): 105793984

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 43, 52, 58, 64, 79, 86, 104, 116, 158, 172, 208, 232, 316, 344, 377, 416, 464, 559, 632, 688, 754, 832, 928, 1027, 1118, 1247, 1264, 1376, 1508, 1856, 2054, 2236, 2291, 2494, 2528, 2752, 3016, 3397, 4108, 4472, 4582, 4988, 5056, 6032, 6794, 8216, 8944, 9164, 9976, 12064, 13588, 16211, 16432, 17888, 18328, 19952, 24128, 27176, 29783, 32422, 32864, 35776, 36656, 39904, 44161, 54352, 59566, 64844, 65728, 73312, 79808, 88322, 98513, 108704, 119132, 129688, 146624, 176644, 197026, 217408, 238264, 259376, 353288, 394052, 476528, 518752, 706576, 788104, 953056, 1037504, 1280669, 1413152, 1576208, 1906112, 2561338, 2826304, 3152416, 5122676, 6304832, 10245352, 20490704, 40981408, 81962816]

約数ペア:

[(1, 81962816), (2, 40981408), (4, 20490704), (8, 10245352), (13, 6304832), (16, 5122676), (26, 3152416), (29, 2826304), (32, 2561338), (43, 1906112), (52, 1576208), (58, 1413152), (64, 1280669), (79, 1037504), (86, 953056), (104, 788104), (116, 706576), (158, 518752), (172, 476528), (208, 394052), (232, 353288), (316, 259376), (344, 238264), (377, 217408), (416, 197026), (464, 176644), (559, 146624), (632, 129688), (688, 119132), (754, 108704), (832, 98513), (928, 88322), (1027, 79808), (1118, 73312), (1247, 65728), (1264, 64844), (1376, 59566), (1508, 54352), (1856, 44161), (2054, 39904), (2236, 36656), (2291, 35776), (2494, 32864), (2528, 32422), (2752, 29783), (3016, 27176), (3397, 24128), (4108, 19952), (4472, 18328), (4582, 17888), (4988, 16432), (5056, 16211), (6032, 13588), (6794, 12064), (8216, 9976), (8944, 9164)]