About the Number

2012742788

2012742787 ← → 2012742789

2進数表記:1110111111110000000010010000100

漢数字表記:二十億千二百七十四万二千七百八十八

素因数分解:

2 2 × 7 1 × 23 1 × 257 1 × 12161 1

素因数の和:12452
約数の個数: 48
約数和(自身を含む): 4217197824
約数和(自身を除く): 2204455036

約数列:
[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 257, 322, 514, 644, 1028, 1799, 3598, 5911, 7196, 11822, 12161, 23644, 24322, 41377, 48644, 82754, 85127, 165508, 170254, 279703, 340508, 559406, 1118812, 1957921, 3125377, 3915842, 6250754, 7831684, 12501508, 21877639, 43755278, 71883671, 87510556, 143767342, 287534684, 503185697, 1006371394, 2012742788]

約数ペア:
[(1, 2012742788), (2, 1006371394), (4, 503185697), (7, 287534684), (14, 143767342), (23, 87510556), (28, 71883671), (46, 43755278), (92, 21877639), (161, 12501508), (257, 7831684), (322, 6250754), (514, 3915842), (644, 3125377), (1028, 1957921), (1799, 1118812), (3598, 559406), (5911, 340508), (7196, 279703), (11822, 170254), (12161, 165508), (23644, 85127), (24322, 82754), (41377, 48644)]

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