205288655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{287117}}^1$

素因数の和:287146

約数の個数: 16

約数和(自身を含む): 289414944

約数和(自身を除く): 84126289

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 287117, 1435585, 3158287, 3732521, 15791435, 18662605, 41057731, 205288655]

約数ペア:

[(1, 205288655), (5, 41057731), (11, 18662605), (13, 15791435), (55, 3732521), (65, 3158287), (143, 1435585), (715, 287117)]