About the Number

1388131485

1388131484 ← → 1388131486

2進数表記:1010010101111010011010010011101

漢数字表記:十三億八千八百十三万千四百八十五

素因数分解:

3 1 × 5 1 × 13 1 × 31 1 × 277 1 × 829 1

素因数の和:1158
約数の個数: 64
約数和(自身を含む): 2480916480
約数和(自身を除く): 1092784995

約数列:
[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 277, 403, 465, 829, 831, 1209, 1385, 2015, 2487, 3601, 4145, 4155, 6045, 8587, 10777, 10803, 12435, 18005, 25699, 25761, 32331, 42935, 53885, 54015, 77097, 111631, 128495, 128805, 161655, 229633, 334087, 334893, 385485, 558155, 688899, 1002261, 1148165, 1670435, 1674465, 2985229, 3444495, 5011305, 7118623, 8955687, 14926145, 21355869, 35593115, 44778435, 92542099, 106779345, 277626297, 462710495, 1388131485]

約数ペア:
[(1, 1388131485), (3, 462710495), (5, 277626297), (13, 106779345), (15, 92542099), (31, 44778435), (39, 35593115), (65, 21355869), (93, 14926145), (155, 8955687), (195, 7118623), (277, 5011305), (403, 3444495), (465, 2985229), (829, 1674465), (831, 1670435), (1209, 1148165), (1385, 1002261), (2015, 688899), (2487, 558155), (3601, 385485), (4145, 334893), (4155, 334087), (6045, 229633), (8587, 161655), (10777, 128805), (10803, 128495), (12435, 111631), (18005, 77097), (25699, 54015), (25761, 53885), (32331, 42935)]

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