About the Number

11988690

11988689 ← → 11988691

2進数表記:101101101110111011010010

漢数字表記:千百九十八万八千六百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 57089 1

素因数の和:57106
約数の個数: 32
約数和(自身を含む): 32883840
約数和(自身を除く): 20895150

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 57089, 114178, 171267, 285445, 342534, 399623, 570890, 799246, 856335, 1198869, 1712670, 1998115, 2397738, 3996230, 5994345, 11988690]

約数ペア:
[(1, 11988690), (2, 5994345), (3, 3996230), (5, 2397738), (6, 1998115), (7, 1712670), (10, 1198869), (14, 856335), (15, 799246), (21, 570890), (30, 399623), (35, 342534), (42, 285445), (70, 171267), (105, 114178), (210, 57089)]

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