12581585

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 15597120

約数和(自身を除く): 3015535

約数列:

[1, 5, 43, 139, 215, 421, 695, 2105, 5977, 18103, 29885, 58519, 90515, 292595, 2516317, 12581585]

約数ペア:

[(1, 12581585), (5, 2516317), (43, 292595), (139, 90515), (215, 58519), (421, 29885), (695, 18103), (2105, 5977)]