258164172

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 144

約数和(自身を含む): 814544640

約数和(自身を除く): 556380468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 243, 252, 266, 324, 342, 378, 399, 486, 513, 532, 567, 684, 756, 798, 972, 1026, 1134, 1197, 1539, 1596, 1701, 1997, 2052, 2268, 2394, 3078, 3402, 3591, 3994, 4617, 4788, 5991, 6156, 6804, 7182, 7988, 9234, 10773, 11982, 13979, 14364, 17973, 18468, 21546, 23964, 27958, 32319, 35946, 37943, 41937, 43092, 53919, 55916, 64638, 71892, 75886, 83874, 107838, 113829, 125811, 129276, 151772, 161757, 167748, 215676, 227658, 251622, 265601, 323514, 341487, 377433, 455316, 485271, 503244, 531202, 647028, 682974, 754866, 796803, 970542, 1024461, 1062404, 1132299, 1365948, 1509732, 1593606, 1941084, 2048922, 2264598, 2390409, 3073383, 3187212, 3396897, 4097844, 4529196, 4780818, 6146766, 6793794, 7171227, 9220149, 9561636, 12293532, 13587588, 14342454, 18440298, 21513681, 28684908, 36880596, 43027362, 64541043, 86054724, 129082086, 258164172]

約数ペア:

[(1, 258164172), (2, 129082086), (3, 86054724), (4, 64541043), (6, 43027362), (7, 36880596), (9, 28684908), (12, 21513681), (14, 18440298), (18, 14342454), (19, 13587588), (21, 12293532), (27, 9561636), (28, 9220149), (36, 7171227), (38, 6793794), (42, 6146766), (54, 4780818), (57, 4529196), (63, 4097844), (76, 3396897), (81, 3187212), (84, 3073383), (108, 2390409), (114, 2264598), (126, 2048922), (133, 1941084), (162, 1593606), (171, 1509732), (189, 1365948), (228, 1132299), (243, 1062404), (252, 1024461), (266, 970542), (324, 796803), (342, 754866), (378, 682974), (399, 647028), (486, 531202), (513, 503244), (532, 485271), (567, 455316), (684, 377433), (756, 341487), (798, 323514), (972, 265601), (1026, 251622), (1134, 227658), (1197, 215676), (1539, 167748), (1596, 161757), (1701, 151772), (1997, 129276), (2052, 125811), (2268, 113829), (2394, 107838), (3078, 83874), (3402, 75886), (3591, 71892), (3994, 64638), (4617, 55916), (4788, 53919), (5991, 43092), (6156, 41937), (6804, 37943), (7182, 35946), (7988, 32319), (9234, 27958), (10773, 23964), (11982, 21546), (13979, 18468), (14364, 17973)]