39987838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:840

約数の個数: 24

約数和(自身を含む): 66256344

約数和(自身を除く): 26268506

約数列:

[1, 2, 11, 22, 121, 242, 373, 443, 746, 886, 4103, 4873, 8206, 9746, 45133, 53603, 90266, 107206, 165239, 330478, 1817629, 3635258, 19993919, 39987838]

約数ペア:

[(1, 39987838), (2, 19993919), (11, 3635258), (22, 1817629), (121, 330478), (242, 165239), (373, 107206), (443, 90266), (746, 53603), (886, 45133), (4103, 9746), (4873, 8206)]