256659904

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2657

約数の個数: 56

約数和(自身を含む): 542787840

約数和(自身を除く): 286127936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 83, 152, 166, 304, 332, 608, 664, 1216, 1328, 1577, 2543, 2656, 3154, 5086, 5312, 6308, 10172, 12616, 20344, 25232, 40688, 48317, 50464, 81376, 96634, 100928, 162752, 193268, 211069, 386536, 422138, 773072, 844276, 1546144, 1688552, 3092288, 3377104, 4010311, 6754208, 8020622, 13508416, 16041244, 32082488, 64164976, 128329952, 256659904]

約数ペア:

[(1, 256659904), (2, 128329952), (4, 64164976), (8, 32082488), (16, 16041244), (19, 13508416), (32, 8020622), (38, 6754208), (64, 4010311), (76, 3377104), (83, 3092288), (152, 1688552), (166, 1546144), (304, 844276), (332, 773072), (608, 422138), (664, 386536), (1216, 211069), (1328, 193268), (1577, 162752), (2543, 100928), (2656, 96634), (3154, 81376), (5086, 50464), (5312, 48317), (6308, 40688), (10172, 25232), (12616, 20344)]