68260768

素因数分解:

$2^5\times {\mathrm{19}}^3\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 142309440

約数和(自身を除く): 74048672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 311, 361, 608, 622, 722, 1244, 1444, 2488, 2888, 4976, 5776, 5909, 6859, 9952, 11552, 11818, 13718, 23636, 27436, 47272, 54872, 94544, 109744, 112271, 189088, 219488, 224542, 449084, 898168, 1796336, 2133149, 3592672, 4266298, 8532596, 17065192, 34130384, 68260768]

約数ペア:

[(1, 68260768), (2, 34130384), (4, 17065192), (8, 8532596), (16, 4266298), (19, 3592672), (32, 2133149), (38, 1796336), (76, 898168), (152, 449084), (304, 224542), (311, 219488), (361, 189088), (608, 112271), (622, 109744), (722, 94544), (1244, 54872), (1444, 47272), (2488, 27436), (2888, 23636), (4976, 13718), (5776, 11818), (5909, 11552), (6859, 9952)]