2128049275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{108991}}^1$

素因数の和:109083

約数の個数: 24

約数和(自身を含む): 2919241728

約数和(自身を除く): 791192453

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 3905, 19525, 108991, 544955, 1198901, 2724775, 5994505, 7738361, 29972525, 38691805, 85121971, 193459025, 425609855, 2128049275]

約数ペア:

[(1, 2128049275), (5, 425609855), (11, 193459025), (25, 85121971), (55, 38691805), (71, 29972525), (275, 7738361), (355, 5994505), (781, 2724775), (1775, 1198901), (3905, 544955), (19525, 108991)]