1640376448

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{65053}}^1$

素因数の和:65264

約数の個数: 32

約数和(自身を含む): 3284576460

約数和(自身を除く): 1644200012

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 1576, 3152, 6304, 12608, 25216, 65053, 130106, 260212, 520424, 1040848, 2081696, 4163392, 8326784, 12815441, 25630882, 51261764, 102523528, 205047056, 410094112, 820188224, 1640376448]

約数ペア:

[(1, 1640376448), (2, 820188224), (4, 410094112), (8, 205047056), (16, 102523528), (32, 51261764), (64, 25630882), (128, 12815441), (197, 8326784), (394, 4163392), (788, 2081696), (1576, 1040848), (3152, 520424), (6304, 260212), (12608, 130106), (25216, 65053)]