251198402

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:212

約数の個数: 72

約数和(自身を含む): 491521716

約数和(自身を除く): 240323314

約数列:

[1, 2, 7, 13, 14, 26, 37, 49, 73, 74, 91, 98, 146, 182, 259, 481, 511, 518, 637, 949, 962, 1022, 1274, 1813, 1898, 2701, 3367, 3577, 3626, 5329, 5402, 6643, 6734, 7154, 10658, 13286, 18907, 23569, 35113, 37303, 37814, 46501, 47138, 69277, 70226, 74606, 93002, 132349, 138554, 197173, 245791, 261121, 264698, 394346, 484939, 491582, 522242, 969878, 1380211, 1720537, 2563249, 2760422, 3394573, 3441074, 5126498, 6789146, 9661477, 17942743, 19322954, 35885486, 125599201, 251198402]

約数ペア:

[(1, 251198402), (2, 125599201), (7, 35885486), (13, 19322954), (14, 17942743), (26, 9661477), (37, 6789146), (49, 5126498), (73, 3441074), (74, 3394573), (91, 2760422), (98, 2563249), (146, 1720537), (182, 1380211), (259, 969878), (481, 522242), (511, 491582), (518, 484939), (637, 394346), (949, 264698), (962, 261121), (1022, 245791), (1274, 197173), (1813, 138554), (1898, 132349), (2701, 93002), (3367, 74606), (3577, 70226), (3626, 69277), (5329, 47138), (5402, 46501), (6643, 37814), (6734, 37303), (7154, 35113), (10658, 23569), (13286, 18907)]