217867195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{36833}}^1$

素因数の和:36871

約数の個数: 24

約数和(自身を含む): 323549856

約数和(自身を除く): 105682661

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 36833, 184165, 257831, 478829, 1289155, 2394145, 3351803, 6224777, 16759015, 31123885, 43573439, 217867195]

約数ペア:

[(1, 217867195), (5, 43573439), (7, 31123885), (13, 16759015), (35, 6224777), (65, 3351803), (91, 2394145), (169, 1289155), (455, 478829), (845, 257831), (1183, 184165), (5915, 36833)]