81705568

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15859}}^1$

素因数の和:15899

約数の個数: 48

約数和(自身を含む): 191842560

約数和(自身を除く): 110136992

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, 15859, 31718, 63436, 111013, 126872, 222026, 253744, 364757, 444052, 507488, 729514, 888104, 1459028, 1776208, 2553299, 2918056, 3552416, 5106598, 5836112, 10213196, 11672224, 20426392, 40852784, 81705568]

約数ペア:

[(1, 81705568), (2, 40852784), (4, 20426392), (7, 11672224), (8, 10213196), (14, 5836112), (16, 5106598), (23, 3552416), (28, 2918056), (32, 2553299), (46, 1776208), (56, 1459028), (92, 888104), (112, 729514), (161, 507488), (184, 444052), (224, 364757), (322, 253744), (368, 222026), (644, 126872), (736, 111013), (1288, 63436), (2576, 31718), (5152, 15859)]