215245744

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{12241}}^1$

素因数の和:12413

約数の個数: 40

約数和(自身を含む): 479690528

約数和(自身を除く): 264444784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 12241, 17584, 24482, 48964, 85687, 97928, 171374, 195856, 342748, 685496, 1370992, 1921837, 3843674, 7687348, 13452859, 15374696, 26905718, 30749392, 53811436, 107622872, 215245744]

約数ペア:

[(1, 215245744), (2, 107622872), (4, 53811436), (7, 30749392), (8, 26905718), (14, 15374696), (16, 13452859), (28, 7687348), (56, 3843674), (112, 1921837), (157, 1370992), (314, 685496), (628, 342748), (1099, 195856), (1256, 171374), (2198, 97928), (2512, 85687), (4396, 48964), (8792, 24482), (12241, 17584)]