About the Number

201391288

201391287 ← → 201391289

2進数表記:1100000000001111110010111000

漢数字表記:二億百三十九万千二百八十八

素因数分解:

2 3 × 7 1 × 967 1 × 3719 1

素因数の和:4699
約数の個数: 32
約数和(自身を含む): 432115200
約数和(自身を除く): 230723912

約数列:
[1, 2, 4, 7, 8, 14, 28, 56, 967, 1934, 3719, 3868, 6769, 7438, 7736, 13538, 14876, 26033, 27076, 29752, 52066, 54152, 104132, 208264, 3596273, 7192546, 14385092, 25173911, 28770184, 50347822, 100695644, 201391288]

約数ペア:
[(1, 201391288), (2, 100695644), (4, 50347822), (7, 28770184), (8, 25173911), (14, 14385092), (28, 7192546), (56, 3596273), (967, 208264), (1934, 104132), (3719, 54152), (3868, 52066), (6769, 29752), (7438, 27076), (7736, 26033), (13538, 14876)]

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