89986831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 115872768

約数和(自身を除く): 25885937

約数列:

[1, 11, 17, 19, 31, 43, 187, 209, 323, 341, 361, 473, 527, 589, 731, 817, 1333, 3553, 3971, 5797, 6137, 6479, 8041, 8987, 10013, 11191, 13889, 14663, 15523, 22661, 25327, 67507, 110143, 123101, 152779, 170753, 190247, 249271, 263891, 278597, 430559, 481213, 2092717, 2902801, 4736149, 5293343, 8180621, 89986831]

約数ペア:

[(1, 89986831), (11, 8180621), (17, 5293343), (19, 4736149), (31, 2902801), (43, 2092717), (187, 481213), (209, 430559), (323, 278597), (341, 263891), (361, 249271), (473, 190247), (527, 170753), (589, 152779), (731, 123101), (817, 110143), (1333, 67507), (3553, 25327), (3971, 22661), (5797, 15523), (6137, 14663), (6479, 13889), (8041, 11191), (8987, 10013)]