259994826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 717749760

約数和(自身を除く): 457754934

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 157, 182, 189, 234, 273, 314, 337, 351, 378, 471, 546, 674, 702, 819, 942, 1011, 1099, 1413, 1638, 2022, 2041, 2198, 2359, 2457, 2826, 3033, 3297, 4082, 4239, 4381, 4718, 4914, 6066, 6123, 6594, 7077, 8478, 8762, 9099, 9891, 12246, 13143, 14154, 14287, 18198, 18369, 19782, 21231, 26286, 28574, 29673, 30667, 36738, 39429, 42462, 42861, 52909, 55107, 59346, 61334, 63693, 78858, 85722, 92001, 105818, 110214, 118287, 127386, 128583, 158727, 184002, 236574, 257166, 276003, 317454, 370363, 385749, 476181, 552006, 687817, 740726, 771498, 828009, 952362, 1111089, 1375634, 1428543, 1656018, 2063451, 2222178, 2857086, 3333267, 4126902, 4814719, 6190353, 6666534, 9629438, 9999801, 12380706, 14444157, 18571059, 19999602, 28888314, 37142118, 43332471, 86664942, 129997413, 259994826]

約数ペア:

[(1, 259994826), (2, 129997413), (3, 86664942), (6, 43332471), (7, 37142118), (9, 28888314), (13, 19999602), (14, 18571059), (18, 14444157), (21, 12380706), (26, 9999801), (27, 9629438), (39, 6666534), (42, 6190353), (54, 4814719), (63, 4126902), (78, 3333267), (91, 2857086), (117, 2222178), (126, 2063451), (157, 1656018), (182, 1428543), (189, 1375634), (234, 1111089), (273, 952362), (314, 828009), (337, 771498), (351, 740726), (378, 687817), (471, 552006), (546, 476181), (674, 385749), (702, 370363), (819, 317454), (942, 276003), (1011, 257166), (1099, 236574), (1413, 184002), (1638, 158727), (2022, 128583), (2041, 127386), (2198, 118287), (2359, 110214), (2457, 105818), (2826, 92001), (3033, 85722), (3297, 78858), (4082, 63693), (4239, 61334), (4381, 59346), (4718, 55107), (4914, 52909), (6066, 42861), (6123, 42462), (6594, 39429), (7077, 36738), (8478, 30667), (8762, 29673), (9099, 28574), (9891, 26286), (12246, 21231), (13143, 19782), (14154, 18369), (14287, 18198)]