205320745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1091}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 297722880

約数和(自身を除く): 92402135

約数列:

[1, 5, 7, 19, 35, 95, 133, 283, 665, 1091, 1415, 1981, 5377, 5455, 7637, 9905, 20729, 26885, 37639, 38185, 103645, 145103, 188195, 308753, 725515, 1543765, 2161271, 5866307, 10806355, 29331535, 41064149, 205320745]

約数ペア:

[(1, 205320745), (5, 41064149), (7, 29331535), (19, 10806355), (35, 5866307), (95, 2161271), (133, 1543765), (283, 725515), (665, 308753), (1091, 188195), (1415, 145103), (1981, 103645), (5377, 38185), (5455, 37639), (7637, 26885), (9905, 20729)]