69878347

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 97445376

約数和(自身を除く): 27567029

約数列:

[1, 7, 11, 17, 23, 77, 119, 121, 161, 187, 211, 253, 391, 847, 1309, 1477, 1771, 2057, 2321, 2737, 2783, 3587, 4301, 4853, 14399, 16247, 19481, 25109, 25531, 30107, 33971, 39457, 47311, 53383, 82501, 178717, 276199, 331177, 373681, 434027, 577507, 587213, 907511, 3038189, 4110491, 6352577, 9982621, 69878347]

約数ペア:

[(1, 69878347), (7, 9982621), (11, 6352577), (17, 4110491), (23, 3038189), (77, 907511), (119, 587213), (121, 577507), (161, 434027), (187, 373681), (211, 331177), (253, 276199), (391, 178717), (847, 82501), (1309, 53383), (1477, 47311), (1771, 39457), (2057, 33971), (2321, 30107), (2737, 25531), (2783, 25109), (3587, 19481), (4301, 16247), (4853, 14399)]