About the Number

130813872

130813871 ← → 130813873

2進数表記:111110011000000111110110000

漢数字表記:一億三千八十一万三千八百七十二

素因数分解:

2 4 × 3 1 × 7 1 × 617 1 × 631 1

素因数の和:1266
約数の個数: 80
約数和(自身を含む): 387451392
約数和(自身を除く): 256637520

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 617, 631, 1234, 1262, 1851, 1893, 2468, 2524, 3702, 3786, 4319, 4417, 4936, 5048, 7404, 7572, 8638, 8834, 9872, 10096, 12957, 13251, 14808, 15144, 17276, 17668, 25914, 26502, 29616, 30288, 34552, 35336, 51828, 53004, 69104, 70672, 103656, 106008, 207312, 212016, 389327, 778654, 1167981, 1557308, 2335962, 2725289, 3114616, 4671924, 5450578, 6229232, 8175867, 9343848, 10901156, 16351734, 18687696, 21802312, 32703468, 43604624, 65406936, 130813872]

約数ペア:
[(1, 130813872), (2, 65406936), (3, 43604624), (4, 32703468), (6, 21802312), (7, 18687696), (8, 16351734), (12, 10901156), (14, 9343848), (16, 8175867), (21, 6229232), (24, 5450578), (28, 4671924), (42, 3114616), (48, 2725289), (56, 2335962), (84, 1557308), (112, 1167981), (168, 778654), (336, 389327), (617, 212016), (631, 207312), (1234, 106008), (1262, 103656), (1851, 70672), (1893, 69104), (2468, 53004), (2524, 51828), (3702, 35336), (3786, 34552), (4319, 30288), (4417, 29616), (4936, 26502), (5048, 25914), (7404, 17668), (7572, 17276), (8638, 15144), (8834, 14808), (9872, 13251), (10096, 12957)]

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