208502437

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 254185344

約数和(自身を除く): 45682907

約数列:

[1, 11, 13, 37, 143, 157, 251, 407, 481, 1727, 2041, 2761, 3263, 5291, 5809, 9287, 22451, 35893, 39407, 63899, 75517, 102157, 120731, 433477, 512291, 830687, 1328041, 1458059, 5635201, 16038649, 18954767, 208502437]

約数ペア:

[(1, 208502437), (11, 18954767), (13, 16038649), (37, 5635201), (143, 1458059), (157, 1328041), (251, 830687), (407, 512291), (481, 433477), (1727, 120731), (2041, 102157), (2761, 75517), (3263, 63899), (5291, 39407), (5809, 35893), (9287, 22451)]