664778863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{11471}}^1$

素因数の和:11982

約数の個数: 16

約数和(自身を含む): 806160384

約数和(自身を除く): 141381521

約数列:

[1, 7, 17, 119, 487, 3409, 8279, 11471, 57953, 80297, 195007, 1365049, 5586377, 39104639, 94968409, 664778863]

約数ペア:

[(1, 664778863), (7, 94968409), (17, 39104639), (119, 5586377), (487, 1365049), (3409, 195007), (8279, 80297), (11471, 57953)]