25435319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 8325961

約数列:

[1, 7, 13, 19, 47, 91, 133, 247, 313, 329, 611, 893, 1729, 2191, 4069, 4277, 5947, 6251, 11609, 14711, 28483, 41629, 77311, 81263, 102977, 191243, 279509, 541177, 1338701, 1956563, 3633617, 25435319]

約数ペア:

[(1, 25435319), (7, 3633617), (13, 1956563), (19, 1338701), (47, 541177), (91, 279509), (133, 191243), (247, 102977), (313, 81263), (329, 77311), (611, 41629), (893, 28483), (1729, 14711), (2191, 11609), (4069, 6251), (4277, 5947)]