203421428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 422620800

約数和(自身を除く): 219199372

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 379, 406, 661, 758, 812, 1322, 1516, 2644, 2653, 4627, 5306, 9254, 10612, 10991, 18508, 19169, 21982, 38338, 43964, 76676, 76937, 134183, 153874, 250519, 268366, 307748, 501038, 536732, 1002076, 1753633, 3507266, 7014532, 7265051, 14530102, 29060204, 50855357, 101710714, 203421428]

約数ペア:

[(1, 203421428), (2, 101710714), (4, 50855357), (7, 29060204), (14, 14530102), (28, 7265051), (29, 7014532), (58, 3507266), (116, 1753633), (203, 1002076), (379, 536732), (406, 501038), (661, 307748), (758, 268366), (812, 250519), (1322, 153874), (1516, 134183), (2644, 76937), (2653, 76676), (4627, 43964), (5306, 38338), (9254, 21982), (10612, 19169), (10991, 18508)]