About the Number

211520256

211520255 ← → 211520257

2進数表記:1100100110111000101100000000

漢数字表記:二億千百五十二万二百五十六

素因数分解:

2 8 × 3 1 × 17 2 × 953 1

素因数の和:1006
約数の個数: 108
約数和(自身を含む): 598642632
約数和(自身を除く): 387122376

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 289, 384, 408, 544, 578, 768, 816, 867, 953, 1088, 1156, 1632, 1734, 1906, 2176, 2312, 2859, 3264, 3468, 3812, 4352, 4624, 5718, 6528, 6936, 7624, 9248, 11436, 13056, 13872, 15248, 16201, 18496, 22872, 27744, 30496, 32402, 36992, 45744, 48603, 55488, 60992, 64804, 73984, 91488, 97206, 110976, 121984, 129608, 182976, 194412, 221952, 243968, 259216, 275417, 365952, 388824, 518432, 550834, 731904, 777648, 826251, 1036864, 1101668, 1555296, 1652502, 2073728, 2203336, 3110592, 3305004, 4147456, 4406672, 6221184, 6610008, 8813344, 12442368, 13220016, 17626688, 26440032, 35253376, 52880064, 70506752, 105760128, 211520256]

約数ペア:
[(1, 211520256), (2, 105760128), (3, 70506752), (4, 52880064), (6, 35253376), (8, 26440032), (12, 17626688), (16, 13220016), (17, 12442368), (24, 8813344), (32, 6610008), (34, 6221184), (48, 4406672), (51, 4147456), (64, 3305004), (68, 3110592), (96, 2203336), (102, 2073728), (128, 1652502), (136, 1555296), (192, 1101668), (204, 1036864), (256, 826251), (272, 777648), (289, 731904), (384, 550834), (408, 518432), (544, 388824), (578, 365952), (768, 275417), (816, 259216), (867, 243968), (953, 221952), (1088, 194412), (1156, 182976), (1632, 129608), (1734, 121984), (1906, 110976), (2176, 97206), (2312, 91488), (2859, 73984), (3264, 64804), (3468, 60992), (3812, 55488), (4352, 48603), (4624, 45744), (5718, 36992), (6528, 32402), (6936, 30496), (7624, 27744), (9248, 22872), (11436, 18496), (13056, 16201), (13872, 15248)]

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