28921295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 38703168

約数和(自身を除く): 9781873

約数列:

[1, 5, 13, 31, 65, 155, 403, 463, 961, 2015, 2315, 4805, 6019, 12493, 14353, 30095, 62465, 71765, 186589, 444943, 932945, 2224715, 5784259, 28921295]

約数ペア:

[(1, 28921295), (5, 5784259), (13, 2224715), (31, 932945), (65, 444943), (155, 186589), (403, 71765), (463, 62465), (961, 30095), (2015, 14353), (2315, 12493), (4805, 6019)]