4087225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 5490720

約数和(自身を除く): 1403495

約数列:

[1, 5, 17, 25, 59, 85, 163, 295, 425, 815, 1003, 1475, 2771, 4075, 5015, 9617, 13855, 25075, 48085, 69275, 163489, 240425, 817445, 4087225]

約数ペア:

[(1, 4087225), (5, 817445), (17, 240425), (25, 163489), (59, 69275), (85, 48085), (163, 25075), (295, 13855), (425, 9617), (815, 5015), (1003, 4075), (1475, 2771)]