28287847

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 36074160

約数和(自身を除く): 7786313

約数列:

[1, 7, 17, 29, 49, 119, 203, 493, 833, 1171, 1421, 3451, 8197, 19907, 24157, 33959, 57379, 139349, 237713, 577303, 975443, 1663991, 4041121, 28287847]

約数ペア:

[(1, 28287847), (7, 4041121), (17, 1663991), (29, 975443), (49, 577303), (119, 237713), (203, 139349), (493, 57379), (833, 33959), (1171, 24157), (1421, 19907), (3451, 8197)]