20140813

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 26685120

約数和(自身を除く): 6544307

約数列:

[1, 7, 11, 43, 49, 77, 79, 121, 301, 473, 539, 553, 847, 869, 2107, 3311, 3397, 3871, 5203, 5929, 6083, 9559, 23177, 23779, 36421, 37367, 42581, 66913, 166453, 254947, 261569, 411037, 468391, 1830983, 2877259, 20140813]

約数ペア:

[(1, 20140813), (7, 2877259), (11, 1830983), (43, 468391), (49, 411037), (77, 261569), (79, 254947), (121, 166453), (301, 66913), (473, 42581), (539, 37367), (553, 36421), (847, 23779), (869, 23177), (2107, 9559), (3311, 6083), (3397, 5929), (3871, 5203)]