1253155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 1664064

約数和(自身を除く): 410909

約数列:

[1, 5, 17, 23, 85, 115, 391, 641, 1955, 3205, 10897, 14743, 54485, 73715, 250631, 1253155]

約数ペア:

[(1, 1253155), (5, 250631), (17, 73715), (23, 54485), (85, 14743), (115, 10897), (391, 3205), (641, 1955)]