About the Number

129741246

129741245 ← → 129741247

2進数表記:111101110111011000110111110

漢数字表記:一億二千九百七十四万千二百四十六

素因数分解:

2 1 × 3 2 × 17 1 × 423991 1

素因数の和:424016
約数の個数: 24
約数和(自身を含む): 297642384
約数和(自身を除く): 167901138

約数列:
[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 423991, 847982, 1271973, 2543946, 3815919, 7207847, 7631838, 14415694, 21623541, 43247082, 64870623, 129741246]

約数ペア:
[(1, 129741246), (2, 64870623), (3, 43247082), (6, 21623541), (9, 14415694), (17, 7631838), (18, 7207847), (34, 3815919), (51, 2543946), (102, 1271973), (153, 847982), (306, 423991)]

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