2561636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8317}}^1$

素因数の和:8339

約数の個数: 24

約数和(自身を含む): 5589696

約数和(自身を除く): 3028060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 8317, 16634, 33268, 58219, 91487, 116438, 182974, 232876, 365948, 640409, 1280818, 2561636]

約数ペア:

[(1, 2561636), (2, 1280818), (4, 640409), (7, 365948), (11, 232876), (14, 182974), (22, 116438), (28, 91487), (44, 58219), (77, 33268), (154, 16634), (308, 8317)]