208778935

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 284414976

約数和(自身を除く): 75636041

約数列:

[1, 5, 19, 23, 47, 95, 107, 115, 235, 361, 437, 535, 893, 1081, 1805, 2033, 2185, 2461, 4465, 5029, 5405, 8303, 10165, 12305, 16967, 20539, 25145, 38627, 41515, 46759, 84835, 95551, 102695, 115667, 193135, 233795, 390241, 477755, 578335, 888421, 1815469, 1951205, 2197673, 4442105, 9077345, 10988365, 41755787, 208778935]

約数ペア:

[(1, 208778935), (5, 41755787), (19, 10988365), (23, 9077345), (47, 4442105), (95, 2197673), (107, 1951205), (115, 1815469), (235, 888421), (361, 578335), (437, 477755), (535, 390241), (893, 233795), (1081, 193135), (1805, 115667), (2033, 102695), (2185, 95551), (2461, 84835), (4465, 46759), (5029, 41515), (5405, 38627), (8303, 25145), (10165, 20539), (12305, 16967)]