856228412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 1635486720

約数和(自身を除く): 779258308

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 317, 409, 508, 634, 818, 1268, 1636, 1651, 3302, 4121, 5317, 6604, 8242, 10634, 16484, 21268, 40259, 51943, 80518, 103886, 129653, 161036, 207772, 259306, 518612, 523367, 675259, 1046734, 1350518, 1685489, 2093468, 2701036, 3370978, 6741956, 16465931, 32931862, 65863724, 214057103, 428114206, 856228412]

約数ペア:

[(1, 856228412), (2, 428114206), (4, 214057103), (13, 65863724), (26, 32931862), (52, 16465931), (127, 6741956), (254, 3370978), (317, 2701036), (409, 2093468), (508, 1685489), (634, 1350518), (818, 1046734), (1268, 675259), (1636, 523367), (1651, 518612), (3302, 259306), (4121, 207772), (5317, 161036), (6604, 129653), (8242, 103886), (10634, 80518), (16484, 51943), (21268, 40259)]