191666245

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 261711360

約数和(自身を除く): 70045115

約数列:

[1, 5, 17, 23, 73, 79, 85, 115, 289, 365, 391, 395, 1241, 1343, 1445, 1679, 1817, 1955, 5767, 6205, 6647, 6715, 8395, 9085, 21097, 22831, 28543, 28835, 30889, 33235, 98039, 105485, 114155, 132641, 142715, 154445, 485231, 490195, 525113, 663205, 1666663, 2254897, 2426155, 2625565, 8333315, 11274485, 38333249, 191666245]

約数ペア:

[(1, 191666245), (5, 38333249), (17, 11274485), (23, 8333315), (73, 2625565), (79, 2426155), (85, 2254897), (115, 1666663), (289, 663205), (365, 525113), (391, 490195), (395, 485231), (1241, 154445), (1343, 142715), (1445, 132641), (1679, 114155), (1817, 105485), (1955, 98039), (5767, 33235), (6205, 30889), (6647, 28835), (6715, 28543), (8395, 22831), (9085, 21097)]