About the Number

121401208

121401207 ← → 121401209

2進数表記:111001111000110111101111000

漢数字表記:一億二千百四十万千二百八

素因数分解:

2 3 × 31 2 × 15791 1

素因数の和:15859
約数の個数: 24
約数和(自身を含む): 235221840
約数和(自身を除く): 113820632

約数列:
[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 3844, 7688, 15791, 31582, 63164, 126328, 489521, 979042, 1958084, 3916168, 15175151, 30350302, 60700604, 121401208]

約数ペア:
[(1, 121401208), (2, 60700604), (4, 30350302), (8, 15175151), (31, 3916168), (62, 1958084), (124, 979042), (248, 489521), (961, 126328), (1922, 63164), (3844, 31582), (7688, 15791)]

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