28389521

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 31656960

約数和(自身を除く): 3267439

約数列:

[1, 23, 29, 31, 667, 713, 899, 1373, 20677, 31579, 39817, 42563, 915791, 978949, 1234327, 28389521]

約数ペア:

[(1, 28389521), (23, 1234327), (29, 978949), (31, 915791), (667, 42563), (713, 39817), (899, 31579), (1373, 20677)]