28789684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 63254016

約数和(自身を除く): 34464332

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 422, 443, 844, 886, 1477, 1772, 2321, 2954, 3101, 4642, 4873, 5908, 6202, 9284, 9746, 12404, 16247, 19492, 32494, 34111, 64988, 68222, 93473, 136444, 186946, 373892, 654311, 1028203, 1308622, 2056406, 2617244, 4112812, 7197421, 14394842, 28789684]

約数ペア:

[(1, 28789684), (2, 14394842), (4, 7197421), (7, 4112812), (11, 2617244), (14, 2056406), (22, 1308622), (28, 1028203), (44, 654311), (77, 373892), (154, 186946), (211, 136444), (308, 93473), (422, 68222), (443, 64988), (844, 34111), (886, 32494), (1477, 19492), (1772, 16247), (2321, 12404), (2954, 9746), (3101, 9284), (4642, 6202), (4873, 5908)]