205366885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 276203520

約数和(自身を除く): 70836635

約数列:

[1, 5, 17, 23, 73, 85, 115, 365, 391, 1241, 1439, 1679, 1955, 6205, 7195, 8395, 24463, 28543, 33097, 105047, 122315, 142715, 165485, 525235, 562649, 1785799, 2416081, 2813245, 8928995, 12080405, 41073377, 205366885]

約数ペア:

[(1, 205366885), (5, 41073377), (17, 12080405), (23, 8928995), (73, 2813245), (85, 2416081), (115, 1785799), (365, 562649), (391, 525235), (1241, 165485), (1439, 142715), (1679, 122315), (1955, 105047), (6205, 33097), (7195, 28543), (8395, 24463)]