138515945

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{2663}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 169558272

約数和(自身を除く): 31042327

約数列:

[1, 5, 101, 103, 505, 515, 2663, 10403, 13315, 52015, 268963, 274289, 1344815, 1371445, 27703189, 138515945]

約数ペア:

[(1, 138515945), (5, 27703189), (101, 1371445), (103, 1344815), (505, 274289), (515, 268963), (2663, 52015), (10403, 13315)]