728021288

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{664253}}^1$

素因数の和:664396

約数の個数: 16

約数和(自身を含む): 1375005780

約数和(自身を除く): 646984492

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 664253, 1328506, 2657012, 5314024, 91002661, 182005322, 364010644, 728021288]

約数ペア:

[(1, 728021288), (2, 364010644), (4, 182005322), (8, 91002661), (137, 5314024), (274, 2657012), (548, 1328506), (1096, 664253)]