217072688

素因数分解:

$2^4\times 7^1\times {\mathrm{1938149}}^1$

素因数の和:1938164

約数の個数: 20

約数和(自身を含む): 480661200

約数和(自身を除く): 263588512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1938149, 3876298, 7752596, 13567043, 15505192, 27134086, 31010384, 54268172, 108536344, 217072688]

約数ペア:

[(1, 217072688), (2, 108536344), (4, 54268172), (7, 31010384), (8, 27134086), (14, 15505192), (16, 13567043), (28, 7752596), (56, 3876298), (112, 1938149)]