28339493

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 37604952

約数和(自身を除く): 9265459

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 2617, 10829, 18319, 34021, 44489, 128233, 238147, 311423, 578357, 1667029, 2179961, 4048499, 28339493]

約数ペア:

[(1, 28339493), (7, 4048499), (13, 2179961), (17, 1667029), (49, 578357), (91, 311423), (119, 238147), (221, 128233), (637, 44489), (833, 34021), (1547, 18319), (2617, 10829)]