138468608

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{4259}}^1$

素因数の和:4402

約数の個数: 36

約数和(自身を含む): 278638080

約数和(自身を除く): 140169472

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 4259, 8128, 8518, 16256, 17036, 32512, 34072, 68144, 136288, 272576, 540893, 545152, 1081786, 1090304, 2163572, 4327144, 8654288, 17308576, 34617152, 69234304, 138468608]

約数ペア:

[(1, 138468608), (2, 69234304), (4, 34617152), (8, 17308576), (16, 8654288), (32, 4327144), (64, 2163572), (127, 1090304), (128, 1081786), (254, 545152), (256, 540893), (508, 272576), (1016, 136288), (2032, 68144), (4064, 34072), (4259, 32512), (8128, 17036), (8518, 16256)]