About the Number

28789008

28789007 ← → 28789009

2進数表記:1101101110100100100010000

漢数字表記:二千八百七十八万九千八

素因数分解:

2 4 × 3 1 × 23 1 × 89 1 × 293 1

素因数の和:416
約数の個数: 80
約数和(自身を含む): 78744960
約数和(自身を除く): 49955952

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 89, 92, 138, 178, 184, 267, 276, 293, 356, 368, 534, 552, 586, 712, 879, 1068, 1104, 1172, 1424, 1758, 2047, 2136, 2344, 3516, 4094, 4272, 4688, 6141, 6739, 7032, 8188, 12282, 13478, 14064, 16376, 20217, 24564, 26077, 26956, 32752, 40434, 49128, 52154, 53912, 78231, 80868, 98256, 104308, 107824, 156462, 161736, 208616, 312924, 323472, 417232, 599771, 625848, 1199542, 1251696, 1799313, 2399084, 3598626, 4798168, 7197252, 9596336, 14394504, 28789008]

約数ペア:
[(1, 28789008), (2, 14394504), (3, 9596336), (4, 7197252), (6, 4798168), (8, 3598626), (12, 2399084), (16, 1799313), (23, 1251696), (24, 1199542), (46, 625848), (48, 599771), (69, 417232), (89, 323472), (92, 312924), (138, 208616), (178, 161736), (184, 156462), (267, 107824), (276, 104308), (293, 98256), (356, 80868), (368, 78231), (534, 53912), (552, 52154), (586, 49128), (712, 40434), (879, 32752), (1068, 26956), (1104, 26077), (1172, 24564), (1424, 20217), (1758, 16376), (2047, 14064), (2136, 13478), (2344, 12282), (3516, 8188), (4094, 7032), (4272, 6739), (4688, 6141)]

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