257293008

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{255251}}^1$

素因数の和:255272

約数の個数: 60

約数和(自身を含む): 822932448

約数和(自身を除く): 565639440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 255251, 510502, 765753, 1021004, 1531506, 1786757, 2042008, 2297259, 3063012, 3573514, 4084016, 4594518, 5360271, 6126024, 7147028, 9189036, 10720542, 12252048, 14294056, 16080813, 18378072, 21441084, 28588112, 32161626, 36756144, 42882168, 64323252, 85764336, 128646504, 257293008]

約数ペア:

[(1, 257293008), (2, 128646504), (3, 85764336), (4, 64323252), (6, 42882168), (7, 36756144), (8, 32161626), (9, 28588112), (12, 21441084), (14, 18378072), (16, 16080813), (18, 14294056), (21, 12252048), (24, 10720542), (28, 9189036), (36, 7147028), (42, 6126024), (48, 5360271), (56, 4594518), (63, 4084016), (72, 3573514), (84, 3063012), (112, 2297259), (126, 2042008), (144, 1786757), (168, 1531506), (252, 1021004), (336, 765753), (504, 510502), (1008, 255251)]