205354655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{128749}}^1$

素因数の和:128794

約数の個数: 16

約数和(自身を含む): 278100000

約数和(自身を除く): 72745345

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 128749, 643745, 1416239, 3733721, 7081195, 18668605, 41070931, 205354655]

約数ペア:

[(1, 205354655), (5, 41070931), (11, 18668605), (29, 7081195), (55, 3733721), (145, 1416239), (319, 643745), (1595, 128749)]