About the Number

991980864

991980863 ← → 991980865

2進数表記:111011001000000110110101000000

漢数字表記:九億九千百九十八万八百六十四

素因数分解:

2 6 × 3 3 × 7 1 × 82009 1

素因数の和:82037
約数の個数: 112
約数和(自身を含む): 3332886400
約数和(自身を除く): 2340905536

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 2016, 3024, 4032, 6048, 12096, 82009, 164018, 246027, 328036, 492054, 574063, 656072, 738081, 984108, 1148126, 1312144, 1476162, 1722189, 1968216, 2214243, 2296252, 2624288, 2952324, 3444378, 3936432, 4428486, 4592504, 5166567, 5248576, 5904648, 6888756, 7872864, 8856972, 9185008, 10333134, 11809296, 13777512, 15499701, 15745728, 17713944, 18370016, 20666268, 23618592, 27555024, 30999402, 35427888, 36740032, 41332536, 47237184, 55110048, 61998804, 70855776, 82665072, 110220096, 123997608, 141711552, 165330144, 247995216, 330660288, 495990432, 991980864]

約数ペア:
[(1, 991980864), (2, 495990432), (3, 330660288), (4, 247995216), (6, 165330144), (7, 141711552), (8, 123997608), (9, 110220096), (12, 82665072), (14, 70855776), (16, 61998804), (18, 55110048), (21, 47237184), (24, 41332536), (27, 36740032), (28, 35427888), (32, 30999402), (36, 27555024), (42, 23618592), (48, 20666268), (54, 18370016), (56, 17713944), (63, 15745728), (64, 15499701), (72, 13777512), (84, 11809296), (96, 10333134), (108, 9185008), (112, 8856972), (126, 7872864), (144, 6888756), (168, 5904648), (189, 5248576), (192, 5166567), (216, 4592504), (224, 4428486), (252, 3936432), (288, 3444378), (336, 2952324), (378, 2624288), (432, 2296252), (448, 2214243), (504, 1968216), (576, 1722189), (672, 1476162), (756, 1312144), (864, 1148126), (1008, 984108), (1344, 738081), (1512, 656072), (1728, 574063), (2016, 492054), (3024, 328036), (4032, 246027), (6048, 164018), (12096, 82009)]

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