About the Number

121472156

121472155 ← → 121472157

2進数表記:111001111011000010010011100

漢数字表記:一億二千百四十七万二千百五十六

素因数分解:

2 2 × 13 1 × 157 1 × 14879 1

素因数の和:15053
約数の個数: 24
約数和(自身を含む): 230401920
約数和(自身を除く): 108929764

約数列:
[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 14879, 29758, 59516, 193427, 386854, 773708, 2336003, 4672006, 9344012, 30368039, 60736078, 121472156]

約数ペア:
[(1, 121472156), (2, 60736078), (4, 30368039), (13, 9344012), (26, 4672006), (52, 2336003), (157, 773708), (314, 386854), (628, 193427), (2041, 59516), (4082, 29758), (8164, 14879)]

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