261657214

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{10343}}^1$

素因数の和:10504

約数の個数: 32

約数和(自身を含む): 486581760

約数和(自身を除く): 224924546

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 973, 1807, 1946, 3614, 10343, 12649, 20686, 25298, 72401, 134459, 144802, 268918, 941213, 1437677, 1882426, 2875354, 10063739, 18689801, 20127478, 37379602, 130828607, 261657214]

約数ペア:

[(1, 261657214), (2, 130828607), (7, 37379602), (13, 20127478), (14, 18689801), (26, 10063739), (91, 2875354), (139, 1882426), (182, 1437677), (278, 941213), (973, 268918), (1807, 144802), (1946, 134459), (3614, 72401), (10343, 25298), (12649, 20686)]