About the Number

129997968

129997967 ← → 129997969

2進数表記:111101111111001110010010000

漢数字表記:一億二千九百九十九万七千九百六十八

素因数分解:

2 4 × 3 1 × 2708291 1

素因数の和:2708302
約数の個数: 20
約数和(自身を含む): 335828208
約数和(自身を除く): 205830240

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 2708291, 5416582, 8124873, 10833164, 16249746, 21666328, 32499492, 43332656, 64998984, 129997968]

約数ペア:
[(1, 129997968), (2, 64998984), (3, 43332656), (4, 32499492), (6, 21666328), (8, 16249746), (12, 10833164), (16, 8124873), (24, 5416582), (48, 2708291)]

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