About the Number

133087990

133087989 ← → 133087991

2進数表記:111111011101100001011110110

漢数字表記:一億三千三百八万七千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 911 1 × 2087 1

素因数の和:3012
約数の個数: 32
約数和(自身を含む): 274212864
約数和(自身を除く): 141124874

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 911, 1822, 2087, 4174, 4555, 6377, 9110, 10435, 12754, 14609, 20870, 29218, 31885, 63770, 73045, 146090, 1901257, 3802514, 9506285, 13308799, 19012570, 26617598, 66543995, 133087990]

約数ペア:
[(1, 133087990), (2, 66543995), (5, 26617598), (7, 19012570), (10, 13308799), (14, 9506285), (35, 3802514), (70, 1901257), (911, 146090), (1822, 73045), (2087, 63770), (4174, 31885), (4555, 29218), (6377, 20870), (9110, 14609), (10435, 12754)]

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