28517816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 55092960

約数和(自身を除く): 26575144

約数列:

[1, 2, 4, 8, 53, 103, 106, 206, 212, 412, 424, 653, 824, 1306, 2612, 5224, 5459, 10918, 21836, 34609, 43672, 67259, 69218, 134518, 138436, 269036, 276872, 538072, 3564727, 7129454, 14258908, 28517816]

約数ペア:

[(1, 28517816), (2, 14258908), (4, 7129454), (8, 3564727), (53, 538072), (103, 276872), (106, 269036), (206, 138436), (212, 134518), (412, 69218), (424, 67259), (653, 43672), (824, 34609), (1306, 21836), (2612, 10918), (5224, 5459)]