256371188

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{443}}^1\times {\mathrm{971}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 453146400

約数和(自身を除く): 196775212

約数列:

[1, 2, 4, 149, 298, 443, 596, 886, 971, 1772, 1942, 3884, 66007, 132014, 144679, 264028, 289358, 430153, 578716, 860306, 1720612, 64092797, 128185594, 256371188]

約数ペア:

[(1, 256371188), (2, 128185594), (4, 64092797), (149, 1720612), (298, 860306), (443, 578716), (596, 430153), (886, 289358), (971, 264028), (1772, 144679), (1942, 132014), (3884, 66007)]