18004525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 28569600

約数和(自身を除く): 10565075

約数列:

[1, 5, 7, 11, 25, 35, 47, 55, 77, 175, 199, 235, 275, 329, 385, 517, 995, 1175, 1393, 1645, 1925, 2189, 2585, 3619, 4975, 6965, 8225, 9353, 10945, 12925, 15323, 18095, 34825, 46765, 54725, 65471, 76615, 90475, 102883, 233825, 327355, 383075, 514415, 720181, 1636775, 2572075, 3600905, 18004525]

約数ペア:

[(1, 18004525), (5, 3600905), (7, 2572075), (11, 1636775), (25, 720181), (35, 514415), (47, 383075), (55, 327355), (77, 233825), (175, 102883), (199, 90475), (235, 76615), (275, 65471), (329, 54725), (385, 46765), (517, 34825), (995, 18095), (1175, 15323), (1393, 12925), (1645, 10945), (1925, 9353), (2189, 8225), (2585, 6965), (3619, 4975)]