25443145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 37900800

約数和(自身を除く): 12457655

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 281, 455, 995, 1393, 1405, 1967, 2587, 3653, 6965, 9835, 12935, 18109, 18265, 25571, 55919, 90545, 127855, 279595, 391433, 726947, 1957165, 3634735, 5088629, 25443145]

約数ペア:

[(1, 25443145), (5, 5088629), (7, 3634735), (13, 1957165), (35, 726947), (65, 391433), (91, 279595), (199, 127855), (281, 90545), (455, 55919), (995, 25571), (1393, 18265), (1405, 18109), (1967, 12935), (2587, 9835), (3653, 6965)]