12961268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 24024000

約数和(自身を除く): 11062732

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 857, 1714, 3428, 3781, 7562, 15124, 16283, 32566, 65132, 170543, 341086, 682172, 3240317, 6480634, 12961268]

約数ペア:

[(1, 12961268), (2, 6480634), (4, 3240317), (19, 682172), (38, 341086), (76, 170543), (199, 65132), (398, 32566), (796, 16283), (857, 15124), (1714, 7562), (3428, 3781)]