209121668

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257539}}^1$

素因数の和:257579

約数の個数: 24

約数和(自身を含む): 432667200

約数和(自身を除く): 223545532

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 257539, 515078, 1030156, 1802773, 3605546, 7211092, 7468631, 14937262, 29874524, 52280417, 104560834, 209121668]

約数ペア:

[(1, 209121668), (2, 104560834), (4, 52280417), (7, 29874524), (14, 14937262), (28, 7468631), (29, 7211092), (58, 3605546), (116, 1802773), (203, 1030156), (406, 515078), (812, 257539)]