257914174

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{15263}}^1$

素因数の和:15360

約数の個数: 32

約数和(自身を含む): 474771456

約数和(自身を除く): 216857282

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 8449, 15263, 16898, 30526, 106841, 213682, 259471, 518942, 1083673, 1816297, 2167346, 3632594, 7585711, 15171422, 18422441, 36844882, 128957087, 257914174]

約数ペア:

[(1, 257914174), (2, 128957087), (7, 36844882), (14, 18422441), (17, 15171422), (34, 7585711), (71, 3632594), (119, 2167346), (142, 1816297), (238, 1083673), (497, 518942), (994, 259471), (1207, 213682), (2414, 106841), (8449, 30526), (15263, 16898)]