About the Number

12898770

12898769 ← → 12898771

2進数表記:110001001101000111010010

漢数字表記:千二百八十九万八千七百七十

素因数分解:

2 1 × 3 1 × 5 1 × 89 1 × 4831 1

素因数の和:4930
約数の個数: 32
約数和(自身を含む): 31311360
約数和(自身を除く): 18412590

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 4831, 9662, 14493, 24155, 28986, 48310, 72465, 144930, 429959, 859918, 1289877, 2149795, 2579754, 4299590, 6449385, 12898770]

約数ペア:
[(1, 12898770), (2, 6449385), (3, 4299590), (5, 2579754), (6, 2149795), (10, 1289877), (15, 859918), (30, 429959), (89, 144930), (178, 72465), (267, 48310), (445, 28986), (534, 24155), (890, 14493), (1335, 9662), (2670, 4831)]

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