1904297185

素因数分解:

$5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{66271}}^1$

素因数の和:67104

約数の個数: 16

約数和(自身を含む): 2614828032

約数和(自身を除く): 710530847

約数列:

[1, 5, 7, 35, 821, 4105, 5747, 28735, 66271, 331355, 463897, 2319485, 54408491, 272042455, 380859437, 1904297185]

約数ペア:

[(1, 1904297185), (5, 380859437), (7, 272042455), (35, 54408491), (821, 2319485), (4105, 463897), (5747, 331355), (28735, 66271)]