639586234

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{4373}}^1$

素因数の和:4750

約数の個数: 32

約数和(自身を含む): 1135420416

約数和(自身を除く): 495834182

約数列:

[1, 2, 7, 14, 31, 62, 217, 337, 434, 674, 2359, 4373, 4718, 8746, 10447, 20894, 30611, 61222, 73129, 135563, 146258, 271126, 948941, 1473701, 1897882, 2947402, 10315907, 20631814, 45684731, 91369462, 319793117, 639586234]

約数ペア:

[(1, 639586234), (2, 319793117), (7, 91369462), (14, 45684731), (31, 20631814), (62, 10315907), (217, 2947402), (337, 1897882), (434, 1473701), (674, 948941), (2359, 271126), (4373, 146258), (4718, 135563), (8746, 73129), (10447, 61222), (20894, 30611)]