208013539

素因数分解:

${\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 222400800

約数和(自身を除く): 14387261

約数列:

[1, 19, 137, 157, 509, 2603, 2983, 9671, 21509, 69733, 79913, 408671, 1324927, 1518347, 10948081, 208013539]

約数ペア:

[(1, 208013539), (19, 10948081), (137, 1518347), (157, 1324927), (509, 408671), (2603, 79913), (2983, 69733), (9671, 21509)]