131911808

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 323723520

約数和(自身を除く): 191811712

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 37, 46, 56, 64, 74, 92, 112, 128, 148, 161, 173, 184, 224, 259, 296, 322, 346, 368, 448, 518, 592, 644, 692, 736, 851, 896, 1036, 1184, 1211, 1288, 1384, 1472, 1702, 2072, 2368, 2422, 2576, 2768, 2944, 3404, 3979, 4144, 4736, 4844, 5152, 5536, 5957, 6401, 6808, 7958, 8288, 9688, 10304, 11072, 11914, 12802, 13616, 15916, 16576, 19376, 20608, 22144, 23828, 25604, 27232, 27853, 31832, 33152, 38752, 44807, 47656, 51208, 54464, 55706, 63664, 77504, 89614, 95312, 102416, 108928, 111412, 127328, 147223, 155008, 179228, 190624, 204832, 222824, 254656, 294446, 358456, 381248, 409664, 445648, 509312, 588892, 716912, 762496, 819328, 891296, 1030561, 1177784, 1433824, 1782592, 2061122, 2355568, 2867648, 3565184, 4122244, 4711136, 5735296, 8244488, 9422272, 16488976, 18844544, 32977952, 65955904, 131911808]

約数ペア:

[(1, 131911808), (2, 65955904), (4, 32977952), (7, 18844544), (8, 16488976), (14, 9422272), (16, 8244488), (23, 5735296), (28, 4711136), (32, 4122244), (37, 3565184), (46, 2867648), (56, 2355568), (64, 2061122), (74, 1782592), (92, 1433824), (112, 1177784), (128, 1030561), (148, 891296), (161, 819328), (173, 762496), (184, 716912), (224, 588892), (259, 509312), (296, 445648), (322, 409664), (346, 381248), (368, 358456), (448, 294446), (518, 254656), (592, 222824), (644, 204832), (692, 190624), (736, 179228), (851, 155008), (896, 147223), (1036, 127328), (1184, 111412), (1211, 108928), (1288, 102416), (1384, 95312), (1472, 89614), (1702, 77504), (2072, 63664), (2368, 55706), (2422, 54464), (2576, 51208), (2768, 47656), (2944, 44807), (3404, 38752), (3979, 33152), (4144, 31832), (4736, 27853), (4844, 27232), (5152, 25604), (5536, 23828), (5957, 22144), (6401, 20608), (6808, 19376), (7958, 16576), (8288, 15916), (9688, 13616), (10304, 12802), (11072, 11914)]