255892014

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1119

約数の個数: 96

約数和(自身を含む): 668979360

約数和(自身を除く): 413087346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 97, 98, 126, 147, 189, 194, 291, 294, 378, 441, 582, 679, 873, 882, 997, 1323, 1358, 1746, 1994, 2037, 2619, 2646, 2991, 4074, 4753, 5238, 5982, 6111, 6979, 8973, 9506, 12222, 13958, 14259, 17946, 18333, 20937, 26919, 28518, 36666, 41874, 42777, 48853, 53838, 62811, 85554, 96709, 97706, 125622, 128331, 146559, 188433, 193418, 256662, 290127, 293118, 376866, 439677, 580254, 676963, 870381, 879354, 1319031, 1353926, 1740762, 2030889, 2611143, 2638062, 4061778, 4738741, 5222286, 6092667, 9477482, 12185334, 14216223, 18278001, 28432446, 36556002, 42648669, 85297338, 127946007, 255892014]

約数ペア:

[(1, 255892014), (2, 127946007), (3, 85297338), (6, 42648669), (7, 36556002), (9, 28432446), (14, 18278001), (18, 14216223), (21, 12185334), (27, 9477482), (42, 6092667), (49, 5222286), (54, 4738741), (63, 4061778), (97, 2638062), (98, 2611143), (126, 2030889), (147, 1740762), (189, 1353926), (194, 1319031), (291, 879354), (294, 870381), (378, 676963), (441, 580254), (582, 439677), (679, 376866), (873, 293118), (882, 290127), (997, 256662), (1323, 193418), (1358, 188433), (1746, 146559), (1994, 128331), (2037, 125622), (2619, 97706), (2646, 96709), (2991, 85554), (4074, 62811), (4753, 53838), (5238, 48853), (5982, 42777), (6111, 41874), (6979, 36666), (8973, 28518), (9506, 26919), (12222, 20937), (13958, 18333), (14259, 17946)]