25514489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 9321991

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 359, 497, 781, 923, 1001, 2513, 3949, 4667, 5467, 6461, 10153, 25489, 27643, 32669, 51337, 71071, 178423, 280379, 331357, 359359, 1962653, 2319499, 3644927, 25514489]

約数ペア:

[(1, 25514489), (7, 3644927), (11, 2319499), (13, 1962653), (71, 359359), (77, 331357), (91, 280379), (143, 178423), (359, 71071), (497, 51337), (781, 32669), (923, 27643), (1001, 25489), (2513, 10153), (3949, 6461), (4667, 5467)]