197987335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18919}}^1$

素因数の和:18967

約数の個数: 32

約数和(自身を含む): 305141760

約数和(自身を除く): 107154425

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 10465, 18919, 94595, 132433, 245947, 435137, 662165, 1229735, 1721629, 2175685, 3045959, 5656781, 8608145, 15229795, 28283905, 39597467, 197987335]

約数ペア:

[(1, 197987335), (5, 39597467), (7, 28283905), (13, 15229795), (23, 8608145), (35, 5656781), (65, 3045959), (91, 2175685), (115, 1721629), (161, 1229735), (299, 662165), (455, 435137), (805, 245947), (1495, 132433), (2093, 94595), (10465, 18919)]