208304831

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 247197600

約数和(自身を除く): 38892769

約数列:

[1, 7, 49, 103, 149, 277, 721, 1043, 1939, 5047, 7301, 13573, 15347, 28531, 41273, 107429, 199717, 288911, 752003, 1398019, 2022377, 4251119, 29757833, 208304831]

約数ペア:

[(1, 208304831), (7, 29757833), (49, 4251119), (103, 2022377), (149, 1398019), (277, 752003), (721, 288911), (1043, 199717), (1939, 107429), (5047, 41273), (7301, 28531), (13573, 15347)]