28271659

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 16

約数和(自身を含む): 31892224

約数和(自身を除く): 3620565

約数列:

[1, 13, 31, 73, 403, 949, 961, 2263, 12493, 29419, 29791, 70153, 387283, 911989, 2174743, 28271659]

約数ペア:

[(1, 28271659), (13, 2174743), (31, 911989), (73, 387283), (403, 70153), (949, 29791), (961, 29419), (2263, 12493)]