259618385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{20071}}^1$

素因数の和:20288

約数の個数: 16

約数和(自身を含む): 337209600

約数和(自身を除く): 77591215

約数列:

[1, 5, 13, 65, 199, 995, 2587, 12935, 20071, 100355, 260923, 1304615, 3994129, 19970645, 51923677, 259618385]

約数ペア:

[(1, 259618385), (5, 51923677), (13, 19970645), (65, 3994129), (199, 1304615), (995, 260923), (2587, 100355), (12935, 20071)]