About the Number

128020908

128020907 ← → 128020909

2進数表記:111101000010111000110101100

漢数字表記:一億二千八百二万九百八

素因数分解:

2 2 × 3 1 × 337 1 × 31657 1

素因数の和:32001
約数の個数: 24
約数和(自身を含む): 299611312
約数和(自身を除く): 171590404

約数列:
[1, 2, 3, 4, 6, 12, 337, 674, 1011, 1348, 2022, 4044, 31657, 63314, 94971, 126628, 189942, 379884, 10668409, 21336818, 32005227, 42673636, 64010454, 128020908]

約数ペア:
[(1, 128020908), (2, 64010454), (3, 42673636), (4, 32005227), (6, 21336818), (12, 10668409), (337, 379884), (674, 189942), (1011, 126628), (1348, 94971), (2022, 63314), (4044, 31657)]

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