About the Number

128492427

128492426 ← → 128492428

2進数表記:111101010001010001110001011

漢数字表記:一億二千八百四十九万二千四百二十七

素因数分解:

3 1 × 7 1 × 31 2 × 6367 1

素因数の和:6439
約数の個数: 24
約数和(自身を含む): 202349568
約数和(自身を除く): 73857141

約数列:
[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6367, 6727, 19101, 20181, 44569, 133707, 197377, 592131, 1381639, 4144917, 6118687, 18356061, 42830809, 128492427]

約数ペア:
[(1, 128492427), (3, 42830809), (7, 18356061), (21, 6118687), (31, 4144917), (93, 1381639), (217, 592131), (651, 197377), (961, 133707), (2883, 44569), (6367, 20181), (6727, 19101)]

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