85131865

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{26729}}^1$

素因数の和:26761

約数の個数: 24

約数和(自身を含む): 127983240

約数和(自身を除く): 42851375

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 26729, 133645, 187103, 347477, 935515, 1309721, 1737385, 2432339, 6548605, 12161695, 17026373, 85131865]

約数ペア:

[(1, 85131865), (5, 17026373), (7, 12161695), (13, 6548605), (35, 2432339), (49, 1737385), (65, 1309721), (91, 935515), (245, 347477), (455, 187103), (637, 133645), (3185, 26729)]