28109562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 60746112

約数和(自身を除く): 32636550

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 557, 647, 1114, 1294, 1671, 1941, 3342, 3882, 7241, 8411, 14482, 16822, 21723, 25233, 43446, 50466, 360379, 720758, 1081137, 2162274, 4684927, 9369854, 14054781, 28109562]

約数ペア:

[(1, 28109562), (2, 14054781), (3, 9369854), (6, 4684927), (13, 2162274), (26, 1081137), (39, 720758), (78, 360379), (557, 50466), (647, 43446), (1114, 25233), (1294, 21723), (1671, 16822), (1941, 14482), (3342, 8411), (3882, 7241)]