647535265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 854171136

約数和(自身を除く): 206635871

約数列:

[1, 5, 13, 65, 71, 193, 355, 727, 923, 965, 2509, 3635, 4615, 9451, 12545, 13703, 47255, 51617, 68515, 140311, 178139, 258085, 671021, 701555, 890695, 1824043, 3355105, 9120215, 9962081, 49810405, 129507053, 647535265]

約数ペア:

[(1, 647535265), (5, 129507053), (13, 49810405), (65, 9962081), (71, 9120215), (193, 3355105), (355, 1824043), (727, 890695), (923, 701555), (965, 671021), (2509, 258085), (3635, 178139), (4615, 140311), (9451, 68515), (12545, 51617), (13703, 47255)]