639280124

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{4373}}^1$

素因数の和:4634

約数の個数: 48

約数和(自身を含む): 1340333568

約数和(自身を除く): 701053444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 227, 322, 454, 644, 908, 1589, 3178, 4373, 5221, 6356, 8746, 10442, 17492, 20884, 30611, 36547, 61222, 73094, 100579, 122444, 146188, 201158, 402316, 704053, 992671, 1408106, 1985342, 2816212, 3970684, 6948697, 13897394, 22831433, 27794788, 45662866, 91325732, 159820031, 319640062, 639280124]

約数ペア:

[(1, 639280124), (2, 319640062), (4, 159820031), (7, 91325732), (14, 45662866), (23, 27794788), (28, 22831433), (46, 13897394), (92, 6948697), (161, 3970684), (227, 2816212), (322, 1985342), (454, 1408106), (644, 992671), (908, 704053), (1589, 402316), (3178, 201158), (4373, 146188), (5221, 122444), (6356, 100579), (8746, 73094), (10442, 61222), (17492, 36547), (20884, 30611)]