257922236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{450913}}^1$

素因数の和:450941

約数の個数: 24

約数和(自身を含む): 530274864

約数和(自身を除く): 272352628

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 450913, 901826, 1803652, 4960043, 5861869, 9920086, 11723738, 19840172, 23447476, 64480559, 128961118, 257922236]

約数ペア:

[(1, 257922236), (2, 128961118), (4, 64480559), (11, 23447476), (13, 19840172), (22, 11723738), (26, 9920086), (44, 5861869), (52, 4960043), (143, 1803652), (286, 901826), (572, 450913)]