About the Number

1213440124

1213440123 ← → 1213440125

2進数表記:1001000010100111010000001111100

漢数字表記:十二億千三百四十四万百二十四

素因数分解:

2 2 × 13 1 × 97 1 × 240571 1

素因数の和:240685
約数の個数: 24
約数和(自身を含む): 2310453488
約数和(自身を除く): 1097013364

約数列:
[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 240571, 481142, 962284, 3127423, 6254846, 12509692, 23335387, 46670774, 93341548, 303360031, 606720062, 1213440124]

約数ペア:
[(1, 1213440124), (2, 606720062), (4, 303360031), (13, 93341548), (26, 46670774), (52, 23335387), (97, 12509692), (194, 6254846), (388, 3127423), (1261, 962284), (2522, 481142), (5044, 240571)]

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