About the Number

12890028

12890027 ← → 12890029

2進数表記:110001001010111110101100

漢数字表記:千二百八十九万二十八

素因数分解:

2 2 × 3 1 × 23 1 × 46703 1

素因数の和:46733
約数の個数: 24
約数和(自身を含む): 31385088
約数和(自身を除く): 18495060

約数列:
[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 46703, 93406, 140109, 186812, 280218, 560436, 1074169, 2148338, 3222507, 4296676, 6445014, 12890028]

約数ペア:
[(1, 12890028), (2, 6445014), (3, 4296676), (4, 3222507), (6, 2148338), (12, 1074169), (23, 560436), (46, 280218), (69, 186812), (92, 140109), (138, 93406), (276, 46703)]

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