25187239

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 32022144

約数和(自身を除く): 6834905

約数列:

[1, 7, 11, 77, 121, 131, 227, 847, 917, 1441, 1589, 2497, 10087, 15851, 17479, 27467, 29737, 110957, 192269, 208159, 327107, 2289749, 3598177, 25187239]

約数ペア:

[(1, 25187239), (7, 3598177), (11, 2289749), (77, 327107), (121, 208159), (131, 192269), (227, 110957), (847, 29737), (917, 27467), (1441, 17479), (1589, 15851), (2497, 10087)]