About the Number

129423888

129423887 ← → 129423889

2進数表記:111101101101101101000010000

漢数字表記:一億二千九百四十二万三千八百八十八

素因数分解:

2 4 × 3 2 × 11 1 × 81707 1

素因数の和:81732
約数の個数: 60
約数和(自身を含む): 395139888
約数和(自身を除く): 265716000

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 81707, 163414, 245121, 326828, 490242, 653656, 735363, 898777, 980484, 1307312, 1470726, 1797554, 1960968, 2696331, 2941452, 3595108, 3921936, 5392662, 5882904, 7190216, 8088993, 10785324, 11765808, 14380432, 16177986, 21570648, 32355972, 43141296, 64711944, 129423888]

約数ペア:
[(1, 129423888), (2, 64711944), (3, 43141296), (4, 32355972), (6, 21570648), (8, 16177986), (9, 14380432), (11, 11765808), (12, 10785324), (16, 8088993), (18, 7190216), (22, 5882904), (24, 5392662), (33, 3921936), (36, 3595108), (44, 2941452), (48, 2696331), (66, 1960968), (72, 1797554), (88, 1470726), (99, 1307312), (132, 980484), (144, 898777), (176, 735363), (198, 653656), (264, 490242), (396, 326828), (528, 245121), (792, 163414), (1584, 81707)]

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