208489729

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{15329}}^1$

素因数の和:15432

約数の個数: 16

約数和(自身を含む): 250185600

約数和(自身を除く): 41695871

約数列:

[1, 7, 29, 67, 203, 469, 1943, 13601, 15329, 107303, 444541, 1027043, 3111787, 7189301, 29784247, 208489729]

約数ペア:

[(1, 208489729), (7, 29784247), (29, 7189301), (67, 3111787), (203, 1027043), (469, 444541), (1943, 107303), (13601, 15329)]