1331505578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{27697}}^1$

素因数の和:27798

約数の個数: 24

約数和(自身を含む): 2202157188

約数和(自身を除く): 870651610

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 1849, 3698, 24037, 27697, 48074, 55394, 360061, 720122, 1190971, 2381942, 15482623, 30965246, 51211753, 102423506, 665752789, 1331505578]

約数ペア:

[(1, 1331505578), (2, 665752789), (13, 102423506), (26, 51211753), (43, 30965246), (86, 15482623), (559, 2381942), (1118, 1190971), (1849, 720122), (3698, 360061), (24037, 55394), (27697, 48074)]