205808449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 267125760

約数和(自身を除く): 61317311

約数列:

[1, 7, 11, 43, 61, 77, 301, 427, 473, 671, 1019, 2623, 3311, 4697, 7133, 11209, 18361, 28853, 43817, 62159, 78463, 201971, 306719, 435113, 481987, 683749, 2672837, 3373909, 4786243, 18709859, 29401207, 205808449]

約数ペア:

[(1, 205808449), (7, 29401207), (11, 18709859), (43, 4786243), (61, 3373909), (77, 2672837), (301, 683749), (427, 481987), (473, 435113), (671, 306719), (1019, 201971), (2623, 78463), (3311, 62159), (4697, 43817), (7133, 28853), (11209, 18361)]