257867316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53857}}^1$

素因数の和:53893

約数の個数: 72

約数和(自身を含む): 784172480

約数和(自身を除く): 526305164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 53857, 107714, 161571, 215428, 323142, 376999, 484713, 646284, 753998, 969426, 1023283, 1130997, 1507996, 1938852, 2046566, 2261994, 3069849, 3392991, 4093132, 4523988, 6139698, 6785982, 7162981, 9209547, 12279396, 13571964, 14325962, 18419094, 21488943, 28651924, 36838188, 42977886, 64466829, 85955772, 128933658, 257867316]

約数ペア:

[(1, 257867316), (2, 128933658), (3, 85955772), (4, 64466829), (6, 42977886), (7, 36838188), (9, 28651924), (12, 21488943), (14, 18419094), (18, 14325962), (19, 13571964), (21, 12279396), (28, 9209547), (36, 7162981), (38, 6785982), (42, 6139698), (57, 4523988), (63, 4093132), (76, 3392991), (84, 3069849), (114, 2261994), (126, 2046566), (133, 1938852), (171, 1507996), (228, 1130997), (252, 1023283), (266, 969426), (342, 753998), (399, 646284), (532, 484713), (684, 376999), (798, 323142), (1197, 215428), (1596, 161571), (2394, 107714), (4788, 53857)]