398964514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{21107}}^1$

素因数の和:21849

約数の個数: 16

約数和(自身を含む): 645398208

約数和(自身を除く): 246433694

約数列:

[1, 2, 13, 26, 727, 1454, 9451, 18902, 21107, 42214, 274391, 548782, 15344789, 30689578, 199482257, 398964514]

約数ペア:

[(1, 398964514), (2, 199482257), (13, 30689578), (26, 15344789), (727, 548782), (1454, 274391), (9451, 42214), (18902, 21107)]