201671425

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 269216896

約数和(自身を除く): 67545471

約数列:

[1, 5, 17, 25, 85, 103, 271, 289, 425, 515, 1355, 1445, 1751, 2575, 4607, 6775, 7225, 8755, 23035, 27913, 29767, 43775, 78319, 115175, 139565, 148835, 391595, 474521, 697825, 744175, 1957975, 2372605, 8066857, 11863025, 40334285, 201671425]

約数ペア:

[(1, 201671425), (5, 40334285), (17, 11863025), (25, 8066857), (85, 2372605), (103, 1957975), (271, 744175), (289, 697825), (425, 474521), (515, 391595), (1355, 148835), (1445, 139565), (1751, 115175), (2575, 78319), (4607, 43775), (6775, 29767), (7225, 27913), (8755, 23035)]