About the Number

2791391928

2791391927 ← → 2791391929

2進数表記:10100110011000010100001010111000

漢数字表記:二十七億九千百三十九万千九百二十八

素因数分解:

2 3 × 3 1 × 13 2 × 127 1 × 5419 1

素因数の和:5581
約数の個数: 96
約数和(自身を含む): 7617484800
約数和(自身を除く): 4826092872

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 169, 254, 312, 338, 381, 507, 508, 676, 762, 1014, 1016, 1352, 1524, 1651, 2028, 3048, 3302, 4056, 4953, 5419, 6604, 9906, 10838, 13208, 16257, 19812, 21463, 21676, 32514, 39624, 42926, 43352, 64389, 65028, 70447, 85852, 128778, 130056, 140894, 171704, 211341, 257556, 281788, 422682, 515112, 563576, 688213, 845364, 915811, 1376426, 1690728, 1831622, 2064639, 2747433, 2752852, 3663244, 4129278, 5494866, 5505704, 7326488, 8258556, 8946769, 10989732, 16517112, 17893538, 21979464, 26840307, 35787076, 53680614, 71574152, 107361228, 116307997, 214722456, 232615994, 348923991, 465231988, 697847982, 930463976, 1395695964, 2791391928]

約数ペア:
[(1, 2791391928), (2, 1395695964), (3, 930463976), (4, 697847982), (6, 465231988), (8, 348923991), (12, 232615994), (13, 214722456), (24, 116307997), (26, 107361228), (39, 71574152), (52, 53680614), (78, 35787076), (104, 26840307), (127, 21979464), (156, 17893538), (169, 16517112), (254, 10989732), (312, 8946769), (338, 8258556), (381, 7326488), (507, 5505704), (508, 5494866), (676, 4129278), (762, 3663244), (1014, 2752852), (1016, 2747433), (1352, 2064639), (1524, 1831622), (1651, 1690728), (2028, 1376426), (3048, 915811), (3302, 845364), (4056, 688213), (4953, 563576), (5419, 515112), (6604, 422682), (9906, 281788), (10838, 257556), (13208, 211341), (16257, 171704), (19812, 140894), (21463, 130056), (21676, 128778), (32514, 85852), (39624, 70447), (42926, 65028), (43352, 64389)]

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