64401664

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{1277}}^1$

素因数の和:1490

約数の個数: 36

約数和(自身を含む): 129305484

約数和(自身を除く): 64903820

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 788, 1277, 1576, 2554, 3152, 5108, 6304, 10216, 12608, 20432, 25216, 40864, 50432, 81728, 163456, 251569, 326912, 503138, 1006276, 2012552, 4025104, 8050208, 16100416, 32200832, 64401664]

約数ペア:

[(1, 64401664), (2, 32200832), (4, 16100416), (8, 8050208), (16, 4025104), (32, 2012552), (64, 1006276), (128, 503138), (197, 326912), (256, 251569), (394, 163456), (788, 81728), (1277, 50432), (1576, 40864), (2554, 25216), (3152, 20432), (5108, 12608), (6304, 10216)]