28521730

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{27691}}^1$

素因数の和:27801

約数の個数: 16

約数和(自身を含む): 51839424

約数和(自身を除く): 23317694

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 27691, 55382, 138455, 276910, 2852173, 5704346, 14260865, 28521730]

約数ペア:

[(1, 28521730), (2, 14260865), (5, 5704346), (10, 2852173), (103, 276910), (206, 138455), (515, 55382), (1030, 27691)]