28660775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8051

約数の個数: 24

約数和(自身を含む): 41757744

約数和(自身を除く): 13096969

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 8017, 40085, 88187, 104221, 200425, 440935, 521105, 1146431, 2204675, 2605525, 5732155, 28660775]

約数ペア:

[(1, 28660775), (5, 5732155), (11, 2605525), (13, 2204675), (25, 1146431), (55, 521105), (65, 440935), (143, 200425), (275, 104221), (325, 88187), (715, 40085), (3575, 8017)]