About the Number

121489128

121489127 ← → 121489129

2進数表記:111001111011100011011101000

漢数字表記:一億二千百四十八万九千百二十八

素因数分解:

2 3 × 3 2 × 23 1 × 73363 1

素因数の和:73398
約数の個数: 48
約数和(自身を含む): 343343520
約数和(自身を除く): 221854392

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 73363, 146726, 220089, 293452, 440178, 586904, 660267, 880356, 1320534, 1687349, 1760712, 2641068, 3374698, 5062047, 5282136, 6749396, 10124094, 13498792, 15186141, 20248188, 30372282, 40496376, 60744564, 121489128]

約数ペア:
[(1, 121489128), (2, 60744564), (3, 40496376), (4, 30372282), (6, 20248188), (8, 15186141), (9, 13498792), (12, 10124094), (18, 6749396), (23, 5282136), (24, 5062047), (36, 3374698), (46, 2641068), (69, 1760712), (72, 1687349), (92, 1320534), (138, 880356), (184, 660267), (207, 586904), (276, 440178), (414, 293452), (552, 220089), (828, 146726), (1656, 73363)]

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