204857905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18121}}^1$

素因数の和:18169

約数の個数: 32

約数和(自身を含む): 313148160

約数和(自身を除く): 108290255

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305, 18121, 90605, 126847, 308057, 344299, 634235, 1540285, 1721495, 2156399, 2410093, 5853083, 10781995, 12050465, 29265415, 40971581, 204857905]

約数ペア:

[(1, 204857905), (5, 40971581), (7, 29265415), (17, 12050465), (19, 10781995), (35, 5853083), (85, 2410093), (95, 2156399), (119, 1721495), (133, 1540285), (323, 634235), (595, 344299), (665, 308057), (1615, 126847), (2261, 90605), (11305, 18121)]