209968164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43853}}^1$

素因数の和:43889

約数の個数: 72

約数和(自身を含む): 638514240

約数和(自身を除く): 428546076

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, 43853, 87706, 131559, 175412, 263118, 306971, 394677, 526236, 613942, 789354, 833207, 920913, 1227884, 1578708, 1666414, 1841826, 2499621, 2762739, 3332828, 3683652, 4999242, 5525478, 5832449, 7498863, 9998484, 11050956, 11664898, 14997726, 17497347, 23329796, 29995452, 34994694, 52492041, 69989388, 104984082, 209968164]

約数ペア:

[(1, 209968164), (2, 104984082), (3, 69989388), (4, 52492041), (6, 34994694), (7, 29995452), (9, 23329796), (12, 17497347), (14, 14997726), (18, 11664898), (19, 11050956), (21, 9998484), (28, 7498863), (36, 5832449), (38, 5525478), (42, 4999242), (57, 3683652), (63, 3332828), (76, 2762739), (84, 2499621), (114, 1841826), (126, 1666414), (133, 1578708), (171, 1227884), (228, 920913), (252, 833207), (266, 789354), (342, 613942), (399, 526236), (532, 394677), (684, 306971), (798, 263118), (1197, 175412), (1596, 131559), (2394, 87706), (4788, 43853)]