28078127

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 36024912

約数和(自身を除く): 7946785

約数列:

[1, 7, 11, 49, 77, 113, 461, 539, 791, 1243, 3227, 5071, 5537, 8701, 22589, 35497, 52093, 60907, 248479, 364651, 573023, 2552557, 4011161, 28078127]

約数ペア:

[(1, 28078127), (7, 4011161), (11, 2552557), (49, 573023), (77, 364651), (113, 248479), (461, 60907), (539, 52093), (791, 35497), (1243, 22589), (3227, 8701), (5071, 5537)]