51028978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 53480462

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 71, 77, 91, 142, 143, 154, 182, 286, 359, 497, 718, 781, 923, 994, 1001, 1562, 1846, 2002, 2513, 3949, 4667, 5026, 5467, 6461, 7898, 9334, 10153, 10934, 12922, 20306, 25489, 27643, 32669, 50978, 51337, 55286, 65338, 71071, 102674, 142142, 178423, 280379, 331357, 356846, 359359, 560758, 662714, 718718, 1962653, 2319499, 3644927, 3925306, 4638998, 7289854, 25514489, 51028978]

約数ペア:

[(1, 51028978), (2, 25514489), (7, 7289854), (11, 4638998), (13, 3925306), (14, 3644927), (22, 2319499), (26, 1962653), (71, 718718), (77, 662714), (91, 560758), (142, 359359), (143, 356846), (154, 331357), (182, 280379), (286, 178423), (359, 142142), (497, 102674), (718, 71071), (781, 65338), (923, 55286), (994, 51337), (1001, 50978), (1562, 32669), (1846, 27643), (2002, 25489), (2513, 20306), (3949, 12922), (4667, 10934), (5026, 10153), (5467, 9334), (6461, 7898)]