247970177

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2029}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 327398400

約数和(自身を除く): 79428223

約数列:

[1, 7, 13, 17, 79, 91, 119, 221, 553, 1027, 1343, 1547, 2029, 7189, 9401, 14203, 17459, 26377, 34493, 122213, 160291, 184639, 241451, 448409, 1122037, 2083783, 2724947, 3138863, 14586481, 19074629, 35424311, 247970177]

約数ペア:

[(1, 247970177), (7, 35424311), (13, 19074629), (17, 14586481), (79, 3138863), (91, 2724947), (119, 2083783), (221, 1122037), (553, 448409), (1027, 241451), (1343, 184639), (1547, 160291), (2029, 122213), (7189, 34493), (9401, 26377), (14203, 17459)]