About the Number

138889008

138889007 ← → 138889009

2進数表記:1000010001110100011100110000

漢数字表記:一億三千八百八十八万九千八

素因数分解:

2 4 × 3 2 × 964507 1

素因数の和:964521
約数の個数: 30
約数和(自身を含む): 388696724
約数和(自身を除く): 249807716

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 964507, 1929014, 2893521, 3858028, 5787042, 7716056, 8680563, 11574084, 15432112, 17361126, 23148168, 34722252, 46296336, 69444504, 138889008]

約数ペア:
[(1, 138889008), (2, 69444504), (3, 46296336), (4, 34722252), (6, 23148168), (8, 17361126), (9, 15432112), (12, 11574084), (16, 8680563), (18, 7716056), (24, 5787042), (36, 3858028), (48, 2893521), (72, 1929014), (144, 964507)]

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