12816881

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 16896000

約数和(自身を除く): 4079119

約数列:

[1, 7, 11, 43, 49, 77, 79, 301, 343, 473, 539, 553, 869, 2107, 3311, 3397, 3773, 3871, 6083, 14749, 23177, 23779, 27097, 37367, 42581, 162239, 166453, 261569, 298067, 1165171, 1830983, 12816881]

約数ペア:

[(1, 12816881), (7, 1830983), (11, 1165171), (43, 298067), (49, 261569), (77, 166453), (79, 162239), (301, 42581), (343, 37367), (473, 27097), (539, 23779), (553, 23177), (869, 14749), (2107, 6083), (3311, 3871), (3397, 3773)]