156728221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 173376000

約数和(自身を除く): 16647779

約数列:

[1, 13, 47, 199, 611, 1289, 2587, 9353, 16757, 60583, 121589, 256511, 787579, 3334643, 12056017, 156728221]

約数ペア:

[(1, 156728221), (13, 12056017), (47, 3334643), (199, 787579), (611, 256511), (1289, 121589), (2587, 60583), (9353, 16757)]