About the Number

81997410

81997409 ← → 81997411

2進数表記:100111000110010111001100010

漢数字表記:八千百九十九万七千四百十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 248477 1

素因数の和:248498
約数の個数: 32
約数和(自身を含む): 214684992
約数和(自身を除く): 132687582

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 248477, 496954, 745431, 1242385, 1490862, 2484770, 2733247, 3727155, 5466494, 7454310, 8199741, 13666235, 16399482, 27332470, 40998705, 81997410]

約数ペア:
[(1, 81997410), (2, 40998705), (3, 27332470), (5, 16399482), (6, 13666235), (10, 8199741), (11, 7454310), (15, 5466494), (22, 3727155), (30, 2733247), (33, 2484770), (55, 1490862), (66, 1242385), (110, 745431), (165, 496954), (330, 248477)]

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