2128728049

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1\times {\mathrm{4001}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 2594832768

約数和(自身を除く): 466104719

約数列:

[1, 7, 17, 119, 263, 289, 1841, 2023, 4001, 4471, 28007, 31297, 68017, 76007, 476119, 532049, 1052263, 1156289, 7365841, 8094023, 17888471, 125219297, 304104007, 2128728049]

約数ペア:

[(1, 2128728049), (7, 304104007), (17, 125219297), (119, 17888471), (263, 8094023), (289, 7365841), (1841, 1156289), (2023, 1052263), (4001, 532049), (4471, 476119), (28007, 76007), (31297, 68017)]