2589275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3583104

約数和(自身を除く): 993829

約数列:

[1, 5, 13, 25, 31, 65, 155, 257, 325, 403, 775, 1285, 2015, 3341, 6425, 7967, 10075, 16705, 39835, 83525, 103571, 199175, 517855, 2589275]

約数ペア:

[(1, 2589275), (5, 517855), (13, 199175), (25, 103571), (31, 83525), (65, 39835), (155, 16705), (257, 10075), (325, 7967), (403, 6425), (775, 3341), (1285, 2015)]