About the Number

81988104

81988103 ← → 81988105

2進数表記:100111000110000101000001000

漢数字表記:八千百九十八万八千百四

素因数分解:

2 3 × 3 1 × 11 1 × 29 1 × 10709 1

素因数の和:10758
約数の個数: 64
約数和(自身を含む): 231336000
約数和(自身を除く): 149347896

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 66, 87, 88, 116, 132, 174, 232, 264, 319, 348, 638, 696, 957, 1276, 1914, 2552, 3828, 7656, 10709, 21418, 32127, 42836, 64254, 85672, 117799, 128508, 235598, 257016, 310561, 353397, 471196, 621122, 706794, 931683, 942392, 1242244, 1413588, 1863366, 2484488, 2827176, 3416171, 3726732, 6832342, 7453464, 10248513, 13664684, 20497026, 27329368, 40994052, 81988104]

約数ペア:
[(1, 81988104), (2, 40994052), (3, 27329368), (4, 20497026), (6, 13664684), (8, 10248513), (11, 7453464), (12, 6832342), (22, 3726732), (24, 3416171), (29, 2827176), (33, 2484488), (44, 1863366), (58, 1413588), (66, 1242244), (87, 942392), (88, 931683), (116, 706794), (132, 621122), (174, 471196), (232, 353397), (264, 310561), (319, 257016), (348, 235598), (638, 128508), (696, 117799), (957, 85672), (1276, 64254), (1914, 42836), (2552, 32127), (3828, 21418), (7656, 10709)]

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