51815222

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1591

約数の個数: 16

約数和(自身を含む): 78948000

約数和(自身を除く): 27132778

約数列:

[1, 2, 101, 199, 202, 398, 1289, 2578, 20099, 40198, 130189, 256511, 260378, 513022, 25907611, 51815222]

約数ペア:

[(1, 51815222), (2, 25907611), (101, 513022), (199, 260378), (202, 256511), (398, 130189), (1289, 40198), (2578, 20099)]