31271994

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 80

約数和(自身を含む): 78059520

約数和(自身を除く): 46787526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 234, 279, 351, 403, 479, 558, 702, 806, 837, 958, 1053, 1209, 1437, 1674, 2106, 2418, 2511, 2874, 3627, 4311, 5022, 6227, 7254, 8622, 10881, 12454, 12933, 14849, 18681, 21762, 25866, 29698, 32643, 37362, 38799, 44547, 56043, 65286, 77598, 89094, 112086, 133641, 168129, 193037, 267282, 336258, 386074, 400923, 504387, 579111, 801846, 1008774, 1158222, 1202769, 1737333, 2405538, 3474666, 5211999, 10423998, 15635997, 31271994]

約数ペア:

[(1, 31271994), (2, 15635997), (3, 10423998), (6, 5211999), (9, 3474666), (13, 2405538), (18, 1737333), (26, 1202769), (27, 1158222), (31, 1008774), (39, 801846), (54, 579111), (62, 504387), (78, 400923), (81, 386074), (93, 336258), (117, 267282), (162, 193037), (186, 168129), (234, 133641), (279, 112086), (351, 89094), (403, 77598), (479, 65286), (558, 56043), (702, 44547), (806, 38799), (837, 37362), (958, 32643), (1053, 29698), (1209, 25866), (1437, 21762), (1674, 18681), (2106, 14849), (2418, 12933), (2511, 12454), (2874, 10881), (3627, 8622), (4311, 7254), (5022, 6227)]