260915999

素因数分解:

${\mathrm{19}}^2\times {\mathrm{241}}^1\times {\mathrm{2999}}^1$

素因数の和:3278

約数の個数: 12

約数和(自身を含む): 276606000

約数和(自身を除く): 15690001

約数列:

[1, 19, 241, 361, 2999, 4579, 56981, 87001, 722759, 1082639, 13732421, 260915999]

約数ペア:

[(1, 260915999), (19, 13732421), (241, 1082639), (361, 722759), (2999, 87001), (4579, 56981)]