28389242

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{65413}}^1$

素因数の和:65453

約数の個数: 16

約数和(自身を含む): 50237952

約数和(自身を除く): 21848710

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 65413, 130826, 457891, 915782, 2027803, 4055606, 14194621, 28389242]

約数ペア:

[(1, 28389242), (2, 14194621), (7, 4055606), (14, 2027803), (31, 915782), (62, 457891), (217, 130826), (434, 65413)]