28687175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 39365040

約数和(自身を除く): 10677865

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 1429, 1825, 4015, 7145, 15719, 20075, 35725, 78595, 104317, 392975, 521585, 1147487, 2607925, 5737435, 28687175]

約数ペア:

[(1, 28687175), (5, 5737435), (11, 2607925), (25, 1147487), (55, 521585), (73, 392975), (275, 104317), (365, 78595), (803, 35725), (1429, 20075), (1825, 15719), (4015, 7145)]