261478882

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{142573}}^1$

素因数の和:142713

約数の個数: 16

約数和(自身を含む): 451674432

約数和(自身を除く): 190195550

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 142573, 285146, 998011, 1996022, 18677063, 37354126, 130739441, 261478882]

約数ペア:

[(1, 261478882), (2, 130739441), (7, 37354126), (14, 18677063), (131, 1996022), (262, 998011), (917, 285146), (1834, 142573)]