About the Number

128828865

128828864 ← → 128828866

2進数表記:111101011011100010111000001

漢数字表記:一億二千八百八十二万八千八百六十五

素因数分解:

3 1 × 5 1 × 11 1 × 23 1 × 83 1 × 409 1

素因数の和:534
約数の個数: 64
約数和(自身を含む): 238049280
約数和(自身を除く): 109220415

約数列:
[1, 3, 5, 11, 15, 23, 33, 55, 69, 83, 115, 165, 249, 253, 345, 409, 415, 759, 913, 1227, 1245, 1265, 1909, 2045, 2739, 3795, 4499, 4565, 5727, 6135, 9407, 9545, 13497, 13695, 20999, 22495, 28221, 28635, 33947, 47035, 62997, 67485, 101841, 103477, 104995, 141105, 169735, 310431, 314985, 373417, 509205, 517385, 780781, 1120251, 1552155, 1867085, 2342343, 3903905, 5601255, 8588591, 11711715, 25765773, 42942955, 128828865]

約数ペア:
[(1, 128828865), (3, 42942955), (5, 25765773), (11, 11711715), (15, 8588591), (23, 5601255), (33, 3903905), (55, 2342343), (69, 1867085), (83, 1552155), (115, 1120251), (165, 780781), (249, 517385), (253, 509205), (345, 373417), (409, 314985), (415, 310431), (759, 169735), (913, 141105), (1227, 104995), (1245, 103477), (1265, 101841), (1909, 67485), (2045, 62997), (2739, 47035), (3795, 33947), (4499, 28635), (4565, 28221), (5727, 22495), (6135, 20999), (9407, 13695), (9545, 13497)]

このpageの処理時間: 0.0061304569244384766 seconds