About the Number

81090042

81090041 ← → 81090043

2進数表記:100110101010101010111111010

漢数字表記:八千百九万四十二

素因数分解:

2 1 × 3 1 × 11 1 × 23 1 × 53419 1

素因数の和:53458
約数の個数: 32
約数和(自身を含む): 184619520
約数和(自身を除く): 103529478

約数列:
[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 53419, 106838, 160257, 320514, 587609, 1175218, 1228637, 1762827, 2457274, 3525654, 3685911, 7371822, 13515007, 27030014, 40545021, 81090042]

約数ペア:
[(1, 81090042), (2, 40545021), (3, 27030014), (6, 13515007), (11, 7371822), (22, 3685911), (23, 3525654), (33, 2457274), (46, 1762827), (66, 1228637), (69, 1175218), (138, 587609), (253, 320514), (506, 160257), (759, 106838), (1518, 53419)]

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