About the Number

121489108

121489107 ← → 121489109

2進数表記:111001111011100011011010100

漢数字表記:一億二千百四十八万九千百八

素因数分解:

2 2 × 13 1 × 1229 1 × 1901 1

素因数の和:3147
約数の個数: 24
約数和(自身を含む): 229267080
約数和(自身を除く): 107777972

約数列:
[1, 2, 4, 13, 26, 52, 1229, 1901, 2458, 3802, 4916, 7604, 15977, 24713, 31954, 49426, 63908, 98852, 2336329, 4672658, 9345316, 30372277, 60744554, 121489108]

約数ペア:
[(1, 121489108), (2, 60744554), (4, 30372277), (13, 9345316), (26, 4672658), (52, 2336329), (1229, 98852), (1901, 63908), (2458, 49426), (3802, 31954), (4916, 24713), (7604, 15977)]

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