131196784

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8291}}^1$

素因数の和:8365

約数の個数: 40

約数和(自身を含む): 271446912

約数和(自身を除く): 140250128

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 8291, 15824, 16582, 33164, 66328, 132656, 190693, 356513, 381386, 713026, 762772, 1426052, 1525544, 2852104, 3051088, 5704208, 8199799, 16399598, 32799196, 65598392, 131196784]

約数ペア:

[(1, 131196784), (2, 65598392), (4, 32799196), (8, 16399598), (16, 8199799), (23, 5704208), (43, 3051088), (46, 2852104), (86, 1525544), (92, 1426052), (172, 762772), (184, 713026), (344, 381386), (368, 356513), (688, 190693), (989, 132656), (1978, 66328), (3956, 33164), (7912, 16582), (8291, 15824)]