207749905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{53201}}^1$

素因数の和:53288

約数の個数: 16

約数和(自身を含む): 275799168

約数和(自身を除く): 68049263

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 53201, 266005, 585211, 2926055, 3777271, 18886355, 41549981, 207749905]

約数ペア:

[(1, 207749905), (5, 41549981), (11, 18886355), (55, 3777271), (71, 2926055), (355, 585211), (781, 266005), (3905, 53201)]