257890688

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{16651}}^1$

素因数の和:16687

約数の個数: 48

約数和(自身を含む): 564752580

約数和(自身を除く): 306861892

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1408, 1936, 3872, 7744, 15488, 16651, 33302, 66604, 133208, 183161, 266416, 366322, 532832, 732644, 1065664, 1465288, 2014771, 2131328, 2930576, 4029542, 5861152, 8059084, 11722304, 16118168, 23444608, 32236336, 64472672, 128945344, 257890688]

約数ペア:

[(1, 257890688), (2, 128945344), (4, 64472672), (8, 32236336), (11, 23444608), (16, 16118168), (22, 11722304), (32, 8059084), (44, 5861152), (64, 4029542), (88, 2930576), (121, 2131328), (128, 2014771), (176, 1465288), (242, 1065664), (352, 732644), (484, 532832), (704, 366322), (968, 266416), (1408, 183161), (1936, 133208), (3872, 66604), (7744, 33302), (15488, 16651)]