28475728

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19997}}^1$

素因数の和:20094

約数の個数: 20

約数和(自身を含む): 55794420

約数和(自身を除く): 27318692

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19997, 39994, 79988, 159976, 319952, 1779733, 3559466, 7118932, 14237864, 28475728]

約数ペア:

[(1, 28475728), (2, 14237864), (4, 7118932), (8, 3559466), (16, 1779733), (89, 319952), (178, 159976), (356, 79988), (712, 39994), (1424, 19997)]