648007775

素因数分解:

$5^2\times {\mathrm{1193}}^1\times {\mathrm{21727}}^1$

素因数の和:22930

約数の個数: 12

約数和(自身を含む): 804240192

約数和(自身を除く): 156232417

約数列:

[1, 5, 25, 1193, 5965, 21727, 29825, 108635, 543175, 25920311, 129601555, 648007775]

約数ペア:

[(1, 648007775), (5, 129601555), (25, 25920311), (1193, 543175), (5965, 108635), (21727, 29825)]