28219373

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5851}}^1$

素因数の和:5924

約数の個数: 16

約数和(自身を含む): 35392896

約数和(自身を除く): 7173523

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 5851, 40957, 76063, 310103, 532441, 2170721, 4031339, 28219373]

約数ペア:

[(1, 28219373), (7, 4031339), (13, 2170721), (53, 532441), (91, 310103), (371, 76063), (689, 40957), (4823, 5851)]