25972639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 9025121

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 433, 451, 779, 1463, 3031, 3157, 4763, 5453, 8227, 8569, 17753, 33341, 57589, 59983, 90497, 124271, 195283, 337307, 633479, 1366981, 2361149, 3710377, 25972639]

約数ペア:

[(1, 25972639), (7, 3710377), (11, 2361149), (19, 1366981), (41, 633479), (77, 337307), (133, 195283), (209, 124271), (287, 90497), (433, 59983), (451, 57589), (779, 33341), (1463, 17753), (3031, 8569), (3157, 8227), (4763, 5453)]