28076321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10639}}^1$

素因数の和:10688

約数の個数: 16

約数和(自身を含む): 35750400

約数和(自身を除く): 7674079

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 10639, 74473, 138307, 308531, 968149, 2159717, 4010903, 28076321]

約数ペア:

[(1, 28076321), (7, 4010903), (13, 2159717), (29, 968149), (91, 308531), (203, 138307), (377, 74473), (2639, 10639)]