28661815908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1019413}}^1$

素因数の和:1019505

約数の個数: 72

約数和(自身を含む): 80150406336

約数和(自身を除く): 51488590428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 3124, 4686, 7029, 9372, 14058, 28116, 1019413, 2038826, 3058239, 4077652, 6116478, 9174717, 11213543, 12232956, 18349434, 22427086, 33640629, 36698868, 44854172, 67281258, 72378323, 100921887, 134562516, 144756646, 201843774, 217134969, 289513292, 403687548, 434269938, 651404907, 796161553, 868539876, 1302809814, 1592323106, 2388484659, 2605619628, 3184646212, 4776969318, 7165453977, 9553938636, 14330907954, 28661815908]

約数ペア:

[(1, 28661815908), (2, 14330907954), (3, 9553938636), (4, 7165453977), (6, 4776969318), (9, 3184646212), (11, 2605619628), (12, 2388484659), (18, 1592323106), (22, 1302809814), (33, 868539876), (36, 796161553), (44, 651404907), (66, 434269938), (71, 403687548), (99, 289513292), (132, 217134969), (142, 201843774), (198, 144756646), (213, 134562516), (284, 100921887), (396, 72378323), (426, 67281258), (639, 44854172), (781, 36698868), (852, 33640629), (1278, 22427086), (1562, 18349434), (2343, 12232956), (2556, 11213543), (3124, 9174717), (4686, 6116478), (7029, 4077652), (9372, 3058239), (14058, 2038826), (28116, 1019413)]