About the Number

123091472

123091471 ← → 123091473

2進数表記:111010101100011101000010000

漢数字表記:一億二千三百九万千四百七十二

素因数分解:

2 4 × 7 1 × 1099031 1

素因数の和:1099046
約数の個数: 20
約数和(自身を含む): 272559936
約数和(自身を除く): 149468464

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1099031, 2198062, 4396124, 7693217, 8792248, 15386434, 17584496, 30772868, 61545736, 123091472]

約数ペア:
[(1, 123091472), (2, 61545736), (4, 30772868), (7, 17584496), (8, 15386434), (14, 8792248), (16, 7693217), (28, 4396124), (56, 2198062), (112, 1099031)]

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