204710009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 254119680

約数和(自身を除く): 49409671

約数列:

[1, 7, 19, 53, 113, 133, 257, 371, 791, 1007, 1799, 2147, 4883, 5989, 7049, 13621, 15029, 29041, 34181, 41923, 95347, 113791, 203287, 258799, 551779, 796537, 1539173, 1811593, 3862453, 10774211, 29244287, 204710009]

約数ペア:

[(1, 204710009), (7, 29244287), (19, 10774211), (53, 3862453), (113, 1811593), (133, 1539173), (257, 796537), (371, 551779), (791, 258799), (1007, 203287), (1799, 113791), (2147, 95347), (4883, 41923), (5989, 34181), (7049, 29041), (13621, 15029)]