426405785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{19819}}^1$

素因数の和:20168

約数の個数: 16

約数和(自身を含む): 552740160

約数和(自身を除く): 126334375

約数列:

[1, 5, 13, 65, 331, 1655, 4303, 19819, 21515, 99095, 257647, 1288235, 6560089, 32800445, 85281157, 426405785]

約数ペア:

[(1, 426405785), (5, 85281157), (13, 32800445), (65, 6560089), (331, 1288235), (1655, 257647), (4303, 99095), (19819, 21515)]