42991984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 101779200

約数和(自身を除く): 58787216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 89, 112, 133, 152, 178, 227, 266, 304, 356, 454, 532, 623, 712, 908, 1064, 1246, 1424, 1589, 1691, 1816, 2128, 2492, 3178, 3382, 3632, 4313, 4984, 6356, 6764, 8626, 9968, 11837, 12712, 13528, 17252, 20203, 23674, 25424, 27056, 30191, 34504, 40406, 47348, 60382, 69008, 80812, 94696, 120764, 141421, 161624, 189392, 241528, 282842, 323248, 383857, 483056, 565684, 767714, 1131368, 1535428, 2262736, 2686999, 3070856, 5373998, 6141712, 10747996, 21495992, 42991984]

約数ペア:

[(1, 42991984), (2, 21495992), (4, 10747996), (7, 6141712), (8, 5373998), (14, 3070856), (16, 2686999), (19, 2262736), (28, 1535428), (38, 1131368), (56, 767714), (76, 565684), (89, 483056), (112, 383857), (133, 323248), (152, 282842), (178, 241528), (227, 189392), (266, 161624), (304, 141421), (356, 120764), (454, 94696), (532, 80812), (623, 69008), (712, 60382), (908, 47348), (1064, 40406), (1246, 34504), (1424, 30191), (1589, 27056), (1691, 25424), (1816, 23674), (2128, 20203), (2492, 17252), (3178, 13528), (3382, 12712), (3632, 11837), (4313, 9968), (4984, 8626), (6356, 6764)]