About the Number

28439388

28439387 ← → 28439389

2進数表記:1101100011111001101011100

漢数字表記:二千八百四十三万九千三百八十八

素因数分解:

2 2 × 3 2 × 113 1 × 6991 1

素因数の和:7114
約数の個数: 36
約数和(自身を含む): 72535008
約数和(自身を除く): 44095620

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 6991, 13982, 20973, 27964, 41946, 62919, 83892, 125838, 251676, 789983, 1579966, 2369949, 3159932, 4739898, 7109847, 9479796, 14219694, 28439388]

約数ペア:
[(1, 28439388), (2, 14219694), (3, 9479796), (4, 7109847), (6, 4739898), (9, 3159932), (12, 2369949), (18, 1579966), (36, 789983), (113, 251676), (226, 125838), (339, 83892), (452, 62919), (678, 41946), (1017, 27964), (1356, 20973), (2034, 13982), (4068, 6991)]

このpageの処理時間: 0.007516145706176758 seconds