About the Number

201131028

201131027 ← → 201131029

2進数表記:1011111111010000010000010100

漢数字表記:二億百十三万千二十八

素因数分解:

2 2 × 3 2 × 7 1 × 798139 1

素因数の和:798156
約数の個数: 36
約数和(自身を含む): 581045920
約数和(自身を除く): 379914892

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 798139, 1596278, 2394417, 3192556, 4788834, 5586973, 7183251, 9577668, 11173946, 14366502, 16760919, 22347892, 28733004, 33521838, 50282757, 67043676, 100565514, 201131028]

約数ペア:
[(1, 201131028), (2, 100565514), (3, 67043676), (4, 50282757), (6, 33521838), (7, 28733004), (9, 22347892), (12, 16760919), (14, 14366502), (18, 11173946), (21, 9577668), (28, 7183251), (36, 5586973), (42, 4788834), (63, 3192556), (84, 2394417), (126, 1596278), (252, 798139)]

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