256475685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{3631}}^1$

素因数の和:3933

約数の個数: 32

約数和(自身を含む): 436188672

約数和(自身を除く): 179712987

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 277, 831, 1385, 3631, 4155, 4709, 10893, 14127, 18155, 23545, 54465, 61727, 70635, 185181, 308635, 925905, 1005787, 3017361, 5028935, 15086805, 17098379, 51295137, 85491895, 256475685]

約数ペア:

[(1, 256475685), (3, 85491895), (5, 51295137), (15, 17098379), (17, 15086805), (51, 5028935), (85, 3017361), (255, 1005787), (277, 925905), (831, 308635), (1385, 185181), (3631, 70635), (4155, 61727), (4709, 54465), (10893, 23545), (14127, 18155)]