256075274

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 517104000

約数和(自身を除く): 261028726

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 71, 91, 98, 133, 142, 149, 182, 247, 266, 298, 494, 497, 637, 923, 931, 994, 1043, 1274, 1349, 1729, 1846, 1862, 1937, 2086, 2698, 2831, 3458, 3479, 3874, 5662, 6461, 6958, 7301, 9443, 10579, 12103, 12922, 13559, 14602, 17537, 18886, 19817, 21158, 24206, 27118, 35074, 36803, 39634, 45227, 66101, 73606, 74053, 90454, 94913, 122759, 132202, 137527, 138719, 148106, 189826, 201001, 245518, 257621, 275054, 277438, 402002, 515242, 518371, 859313, 962689, 1036742, 1407007, 1718626, 1803347, 1925378, 2613013, 2814014, 3606694, 5226026, 6738823, 9849049, 13477646, 18291091, 19698098, 36582182, 128037637, 256075274]

約数ペア:

[(1, 256075274), (2, 128037637), (7, 36582182), (13, 19698098), (14, 18291091), (19, 13477646), (26, 9849049), (38, 6738823), (49, 5226026), (71, 3606694), (91, 2814014), (98, 2613013), (133, 1925378), (142, 1803347), (149, 1718626), (182, 1407007), (247, 1036742), (266, 962689), (298, 859313), (494, 518371), (497, 515242), (637, 402002), (923, 277438), (931, 275054), (994, 257621), (1043, 245518), (1274, 201001), (1349, 189826), (1729, 148106), (1846, 138719), (1862, 137527), (1937, 132202), (2086, 122759), (2698, 94913), (2831, 90454), (3458, 74053), (3479, 73606), (3874, 66101), (5662, 45227), (6461, 39634), (6958, 36803), (7301, 35074), (9443, 27118), (10579, 24206), (12103, 21158), (12922, 19817), (13559, 18886), (14602, 17537)]