82719025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{107}}^2$

素因数の和:258

約数の個数: 27

約数和(自身を含む): 109987969

約数和(自身を除く): 27268944

約数列:

[1, 5, 17, 25, 85, 107, 289, 425, 535, 1445, 1819, 2675, 7225, 9095, 11449, 30923, 45475, 57245, 154615, 194633, 286225, 773075, 973165, 3308761, 4865825, 16543805, 82719025]

約数ペア:

[(1, 82719025), (5, 16543805), (17, 4865825), (25, 3308761), (85, 973165), (107, 773075), (289, 286225), (425, 194633), (535, 154615), (1445, 57245), (1819, 45475), (2675, 30923), (7225, 11449)]