About the Number

2013128439

2013128438 ← → 2013128440

2進数表記:1110111111111011110011011110111

漢数字表記:二十億千三百十二万八千四百三十九

素因数分解:

3 1 × 7 1 × 59 2 × 27539 1

素因数の和:27667
約数の個数: 24
約数和(自身を含む): 3120612480
約数和(自身を除く): 1107484041

約数列:
[1, 3, 7, 21, 59, 177, 413, 1239, 3481, 10443, 24367, 27539, 73101, 82617, 192773, 578319, 1624801, 4874403, 11373607, 34120821, 95863259, 287589777, 671042813, 2013128439]

約数ペア:
[(1, 2013128439), (3, 671042813), (7, 287589777), (21, 95863259), (59, 34120821), (177, 11373607), (413, 4874403), (1239, 1624801), (3481, 578319), (10443, 192773), (24367, 82617), (27539, 73101)]

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