208233415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{45121}}^1$

素因数の和:45210

約数の個数: 16

約数和(自身を含む): 272897856

約数和(自身を除く): 64664441

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 45121, 225605, 586573, 2932865, 3203591, 16017955, 41646683, 208233415]

約数ペア:

[(1, 208233415), (5, 41646683), (13, 16017955), (65, 3203591), (71, 2932865), (355, 586573), (923, 225605), (4615, 45121)]