25915988

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 36

約数和(自身を含む): 53084640

約数和(自身を除く): 27168652

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 419, 658, 838, 1316, 1676, 2209, 2933, 4418, 5866, 8836, 11732, 15463, 19693, 30926, 39386, 61852, 78772, 137851, 275702, 551404, 925571, 1851142, 3702284, 6478997, 12957994, 25915988]

約数ペア:

[(1, 25915988), (2, 12957994), (4, 6478997), (7, 3702284), (14, 1851142), (28, 925571), (47, 551404), (94, 275702), (188, 137851), (329, 78772), (419, 61852), (658, 39386), (838, 30926), (1316, 19693), (1676, 15463), (2209, 11732), (2933, 8836), (4418, 5866)]