About the Number

82121047981

82121047980 ← → 82121047982

2進数表記:1001100011110110010111011111110101101

漢数字表記:八百二十一億二千百四万七千九百八十一

素因数分解:

7 1 × 23 1 × 761 1 × 670261 1

素因数の和:671052
約数の個数: 16
約数和(自身を含む): 98062011648
約数和(自身を除く): 15940963667

約数列:
[1, 7, 23, 161, 761, 5327, 17503, 122521, 670261, 4691827, 15416003, 107912021, 510068621, 3570480347, 11731578283, 82121047981]

約数ペア:
[(1, 82121047981), (7, 11731578283), (23, 3570480347), (161, 510068621), (761, 107912021), (5327, 15416003), (17503, 4691827), (122521, 670261)]

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