520068865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71389}}^1$

素因数の和:71472

約数の個数: 16

約数和(自身を含む): 657930240

約数和(自身を除く): 137861375

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 71389, 356945, 2213059, 3355283, 11065295, 16776415, 104013773, 520068865]

約数ペア:

[(1, 520068865), (5, 104013773), (31, 16776415), (47, 11065295), (155, 3355283), (235, 2213059), (1457, 356945), (7285, 71389)]