28863185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23371}}^1$

素因数の和:23408

約数の個数: 16

約数和(自身を含む): 39264960

約数和(自身を除く): 10401775

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 23371, 116855, 303823, 444049, 1519115, 2220245, 5772637, 28863185]

約数ペア:

[(1, 28863185), (5, 5772637), (13, 2220245), (19, 1519115), (65, 444049), (95, 303823), (247, 116855), (1235, 23371)]