25771991

素因数分解:

$7^3\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:579

約数の個数: 16

約数和(自身を含む): 30278400

約数和(自身を除く): 4506409

約数列:

[1, 7, 49, 227, 331, 343, 1589, 2317, 11123, 16219, 75137, 77861, 113533, 525959, 3681713, 25771991]

約数ペア:

[(1, 25771991), (7, 3681713), (49, 525959), (227, 113533), (331, 77861), (343, 75137), (1589, 16219), (2317, 11123)]