66667825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12289}}^1$

素因数の和:12337

約数の個数: 24

約数和(自身を含む): 97533440

約数和(自身を除く): 30865615

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 12289, 61445, 86023, 307225, 380959, 430115, 1904795, 2150575, 2666713, 9523975, 13333565, 66667825]

約数ペア:

[(1, 66667825), (5, 13333565), (7, 9523975), (25, 2666713), (31, 2150575), (35, 1904795), (155, 430115), (175, 380959), (217, 307225), (775, 86023), (1085, 61445), (5425, 12289)]