12889315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 18040320

約数和(自身を除く): 5151005

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 347, 391, 437, 1615, 1735, 1955, 2185, 5899, 6593, 7429, 7981, 29495, 32965, 37145, 39905, 112081, 135677, 151639, 560405, 678385, 758195, 2577863, 12889315]

約数ペア:

[(1, 12889315), (5, 2577863), (17, 758195), (19, 678385), (23, 560405), (85, 151639), (95, 135677), (115, 112081), (323, 39905), (347, 37145), (391, 32965), (437, 29495), (1615, 7981), (1735, 7429), (1955, 6593), (2185, 5899)]