209743408

素因数分解:

$2^4\times 7^1\times {\mathrm{337}}^1\times {\mathrm{5557}}^1$

素因数の和:5909

約数の個数: 40

約数和(自身を含む): 465893792

約数和(自身を除く): 256150384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 337, 674, 1348, 2359, 2696, 4718, 5392, 5557, 9436, 11114, 18872, 22228, 37744, 38899, 44456, 77798, 88912, 155596, 311192, 622384, 1872709, 3745418, 7490836, 13108963, 14981672, 26217926, 29963344, 52435852, 104871704, 209743408]

約数ペア:

[(1, 209743408), (2, 104871704), (4, 52435852), (7, 29963344), (8, 26217926), (14, 14981672), (16, 13108963), (28, 7490836), (56, 3745418), (112, 1872709), (337, 622384), (674, 311192), (1348, 155596), (2359, 88912), (2696, 77798), (4718, 44456), (5392, 38899), (5557, 37744), (9436, 22228), (11114, 18872)]