201527788

素因数分解:

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

素因数の和:683

約数の個数: 72

約数和(自身を含む): 450684864

約数和(自身を除く): 249157076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 211, 308, 422, 443, 539, 844, 886, 1078, 1477, 1772, 2156, 2321, 2954, 3101, 4642, 4873, 5908, 6202, 9284, 9746, 10339, 12404, 16247, 19492, 20678, 21707, 32494, 34111, 41356, 43414, 64988, 68222, 86828, 93473, 113729, 136444, 186946, 227458, 238777, 373892, 454916, 477554, 654311, 955108, 1028203, 1308622, 2056406, 2617244, 4112812, 4580177, 7197421, 9160354, 14394842, 18320708, 28789684, 50381947, 100763894, 201527788]

約数ペア:

[(1, 201527788), (2, 100763894), (4, 50381947), (7, 28789684), (11, 18320708), (14, 14394842), (22, 9160354), (28, 7197421), (44, 4580177), (49, 4112812), (77, 2617244), (98, 2056406), (154, 1308622), (196, 1028203), (211, 955108), (308, 654311), (422, 477554), (443, 454916), (539, 373892), (844, 238777), (886, 227458), (1078, 186946), (1477, 136444), (1772, 113729), (2156, 93473), (2321, 86828), (2954, 68222), (3101, 64988), (4642, 43414), (4873, 41356), (5908, 34111), (6202, 32494), (9284, 21707), (9746, 20678), (10339, 19492), (12404, 16247)]