81999232

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 196292880

約数和(自身を除く): 114293648

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 173, 184, 224, 322, 346, 368, 448, 529, 644, 692, 736, 896, 1058, 1211, 1288, 1384, 1472, 2116, 2422, 2576, 2768, 2944, 3703, 3979, 4232, 4844, 5152, 5536, 7406, 7958, 8464, 9688, 10304, 11072, 14812, 15916, 16928, 19376, 20608, 22144, 27853, 29624, 31832, 33856, 38752, 55706, 59248, 63664, 67712, 77504, 91517, 111412, 118496, 127328, 155008, 183034, 222824, 236992, 254656, 366068, 445648, 473984, 509312, 640619, 732136, 891296, 1281238, 1464272, 1782592, 2562476, 2928544, 3565184, 5124952, 5857088, 10249904, 11714176, 20499808, 40999616, 81999232]

約数ペア:

[(1, 81999232), (2, 40999616), (4, 20499808), (7, 11714176), (8, 10249904), (14, 5857088), (16, 5124952), (23, 3565184), (28, 2928544), (32, 2562476), (46, 1782592), (56, 1464272), (64, 1281238), (92, 891296), (112, 732136), (128, 640619), (161, 509312), (173, 473984), (184, 445648), (224, 366068), (322, 254656), (346, 236992), (368, 222824), (448, 183034), (529, 155008), (644, 127328), (692, 118496), (736, 111412), (896, 91517), (1058, 77504), (1211, 67712), (1288, 63664), (1384, 59248), (1472, 55706), (2116, 38752), (2422, 33856), (2576, 31832), (2768, 29624), (2944, 27853), (3703, 22144), (3979, 20608), (4232, 19376), (4844, 16928), (5152, 15916), (5536, 14812), (7406, 11072), (7958, 10304), (8464, 9688)]