81355232

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15791}}^1$

素因数の和:15831

約数の個数: 48

約数和(自身を含む): 191020032

約数和(自身を除く): 109664800

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 5152, 15791, 31582, 63164, 110537, 126328, 221074, 252656, 363193, 442148, 505312, 726386, 884296, 1452772, 1768592, 2542351, 2905544, 3537184, 5084702, 5811088, 10169404, 11622176, 20338808, 40677616, 81355232]

約数ペア:

[(1, 81355232), (2, 40677616), (4, 20338808), (7, 11622176), (8, 10169404), (14, 5811088), (16, 5084702), (23, 3537184), (28, 2905544), (32, 2542351), (46, 1768592), (56, 1452772), (92, 884296), (112, 726386), (161, 505312), (184, 442148), (224, 363193), (322, 252656), (368, 221074), (644, 126328), (736, 110537), (1288, 63164), (2576, 31582), (5152, 15791)]