204815545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{128411}}^1$

素因数の和:128456

約数の個数: 16

約数和(自身を含む): 277369920

約数和(自身を除く): 72554375

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 128411, 642055, 1412521, 3723919, 7062605, 18619595, 40963109, 204815545]

約数ペア:

[(1, 204815545), (5, 40963109), (11, 18619595), (29, 7062605), (55, 3723919), (145, 1412521), (319, 642055), (1595, 128411)]