About the Number

289009728

289009727 ← → 289009729

2進数表記:10001001110011111000001000000

漢数字表記:二億八千九百万九千七百二十八

素因数分解:

2 6 × 3 3 × 7 1 × 23893 1

素因数の和:23921
約数の個数: 112
約数和(自身を含む): 971052160
約数和(自身を除く): 682042432

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, 23893, 47786, 71679, 95572, 143358, 167251, 191144, 215037, 286716, 334502, 382288, 430074, 501753, 573432, 645111, 669004, 764576, 860148, 1003506, 1146864, 1290222, 1338008, 1505259, 1529152, 1720296, 2007012, 2293728, 2580444, 2676016, 3010518, 3440592, 4014024, 4515777, 4587456, 5160888, 5352032, 6021036, 6881184, 8028048, 9031554, 10321776, 10704064, 12042072, 13762368, 16056096, 18063108, 20643552, 24084144, 32112192, 36126216, 41287104, 48168288, 72252432, 96336576, 144504864, 289009728]

約数ペア:
[(1, 289009728), (2, 144504864), (3, 96336576), (4, 72252432), (6, 48168288), (7, 41287104), (8, 36126216), (9, 32112192), (12, 24084144), (14, 20643552), (16, 18063108), (18, 16056096), (21, 13762368), (24, 12042072), (27, 10704064), (28, 10321776), (32, 9031554), (36, 8028048), (42, 6881184), (48, 6021036), (54, 5352032), (56, 5160888), (63, 4587456), (64, 4515777), (72, 4014024), (84, 3440592), (96, 3010518), (108, 2676016), (112, 2580444), (126, 2293728), (144, 2007012), (168, 1720296), (189, 1529152), (192, 1505259), (216, 1338008), (224, 1290222), (252, 1146864), (288, 1003506), (336, 860148), (378, 764576), (432, 669004), (448, 645111), (504, 573432), (576, 501753), (672, 430074), (756, 382288), (864, 334502), (1008, 286716), (1344, 215037), (1512, 191144), (1728, 167251), (2016, 143358), (3024, 95572), (4032, 71679), (6048, 47786), (12096, 23893)]

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