81279248

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{26321}}^1$

素因数の和:26522

約数の個数: 20

約数和(自身を含む): 158300508

約数和(自身を除く): 77021260

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 26321, 52642, 105284, 210568, 421136, 5079953, 10159906, 20319812, 40639624, 81279248]

約数ペア:

[(1, 81279248), (2, 40639624), (4, 20319812), (8, 10159906), (16, 5079953), (193, 421136), (386, 210568), (772, 105284), (1544, 52642), (3088, 26321)]