205672445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 282009600

約数和(自身を除く): 76337155

約数列:

[1, 5, 11, 31, 55, 71, 155, 341, 355, 781, 1699, 1705, 2201, 3905, 8495, 11005, 18689, 24211, 52669, 93445, 120629, 121055, 263345, 579359, 603145, 1326919, 2896795, 3739499, 6634595, 18697495, 41134489, 205672445]

約数ペア:

[(1, 205672445), (5, 41134489), (11, 18697495), (31, 6634595), (55, 3739499), (71, 2896795), (155, 1326919), (341, 603145), (355, 579359), (781, 263345), (1699, 121055), (1705, 120629), (2201, 93445), (3905, 52669), (8495, 24211), (11005, 18689)]