426513919

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{6991}}^1$

素因数の和:7055

約数の個数: 18

約数和(自身を含む): 487503216

約数和(自身を除く): 60989297

約数列:

[1, 13, 19, 169, 247, 361, 3211, 4693, 6991, 61009, 90883, 132829, 1181479, 1726777, 2523751, 22448101, 32808763, 426513919]

約数ペア:

[(1, 426513919), (13, 32808763), (19, 22448101), (169, 2523751), (247, 1726777), (361, 1181479), (3211, 132829), (4693, 90883), (6991, 61009)]