1280825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 1958208

約数和(自身を除く): 677383

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 563, 2275, 2815, 3941, 7319, 14075, 19705, 36595, 51233, 98525, 182975, 256165, 1280825]

約数ペア:

[(1, 1280825), (5, 256165), (7, 182975), (13, 98525), (25, 51233), (35, 36595), (65, 19705), (91, 14075), (175, 7319), (325, 3941), (455, 2815), (563, 2275)]