256804795

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{2393}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 336462336

約数和(自身を除く): 79657541

約数列:

[1, 5, 13, 65, 127, 169, 635, 845, 1651, 2393, 8255, 11965, 21463, 31109, 107315, 155545, 303911, 404417, 1519555, 2022085, 3950843, 19754215, 51360959, 256804795]

約数ペア:

[(1, 256804795), (5, 51360959), (13, 19754215), (65, 3950843), (127, 2022085), (169, 1519555), (635, 404417), (845, 303911), (1651, 155545), (2393, 107315), (8255, 31109), (11965, 21463)]