71472471

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 124830720

約数和(自身を除く): 53358249

約数列:

[1, 3, 7, 17, 19, 21, 41, 51, 57, 119, 123, 133, 257, 287, 323, 357, 399, 697, 771, 779, 861, 969, 1799, 2091, 2261, 2337, 4369, 4879, 4883, 5397, 5453, 6783, 10537, 13107, 13243, 14637, 14649, 16359, 30583, 31611, 34181, 39729, 73759, 83011, 91749, 92701, 102543, 179129, 200203, 221277, 249033, 278103, 537387, 581077, 600609, 1253903, 1401421, 1743231, 3403451, 3761709, 4204263, 10210353, 23824157, 71472471]

約数ペア:

[(1, 71472471), (3, 23824157), (7, 10210353), (17, 4204263), (19, 3761709), (21, 3403451), (41, 1743231), (51, 1401421), (57, 1253903), (119, 600609), (123, 581077), (133, 537387), (257, 278103), (287, 249033), (323, 221277), (357, 200203), (399, 179129), (697, 102543), (771, 92701), (779, 91749), (861, 83011), (969, 73759), (1799, 39729), (2091, 34181), (2261, 31611), (2337, 30583), (4369, 16359), (4879, 14649), (4883, 14637), (5397, 13243), (5453, 13107), (6783, 10537)]