28376975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5471

約数の個数: 24

約数和(自身を含む): 40414080

約数和(自身を除く): 12037105

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 5431, 27155, 59741, 103189, 135775, 298705, 515945, 1135079, 1493525, 2579725, 5675395, 28376975]

約数ペア:

[(1, 28376975), (5, 5675395), (11, 2579725), (19, 1493525), (25, 1135079), (55, 515945), (95, 298705), (209, 135775), (275, 103189), (475, 59741), (1045, 27155), (5225, 5431)]