217420518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1301}}^1$

素因数の和:1509

約数の個数: 64

約数和(自身を含む): 521966592

約数和(自身を除く): 304546074

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 173, 322, 346, 483, 519, 966, 1038, 1211, 1301, 2422, 2602, 3633, 3903, 3979, 7266, 7806, 7958, 9107, 11937, 18214, 23874, 27321, 27853, 29923, 54642, 55706, 59846, 83559, 89769, 167118, 179538, 209461, 225073, 418922, 450146, 628383, 675219, 1256766, 1350438, 1575511, 3151022, 4726533, 5176679, 9453066, 10353358, 15530037, 31060074, 36236753, 72473506, 108710259, 217420518]

約数ペア:

[(1, 217420518), (2, 108710259), (3, 72473506), (6, 36236753), (7, 31060074), (14, 15530037), (21, 10353358), (23, 9453066), (42, 5176679), (46, 4726533), (69, 3151022), (138, 1575511), (161, 1350438), (173, 1256766), (322, 675219), (346, 628383), (483, 450146), (519, 418922), (966, 225073), (1038, 209461), (1211, 179538), (1301, 167118), (2422, 89769), (2602, 83559), (3633, 59846), (3903, 55706), (3979, 54642), (7266, 29923), (7806, 27853), (7958, 27321), (9107, 23874), (11937, 18214)]