81006016

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 84

約数和(自身を含む): 201475848

約数和(自身を除く): 120469832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 728, 784, 832, 1274, 1456, 1568, 1987, 2548, 2912, 3136, 3974, 5096, 5824, 7948, 10192, 13909, 15896, 20384, 25831, 27818, 31792, 40768, 51662, 55636, 63584, 97363, 103324, 111272, 127168, 180817, 194726, 206648, 222544, 361634, 389452, 413296, 445088, 723268, 778904, 826592, 890176, 1265719, 1446536, 1557808, 1653184, 2531438, 2893072, 3115616, 5062876, 5786144, 6231232, 10125752, 11572288, 20251504, 40503008, 81006016]

約数ペア:

[(1, 81006016), (2, 40503008), (4, 20251504), (7, 11572288), (8, 10125752), (13, 6231232), (14, 5786144), (16, 5062876), (26, 3115616), (28, 2893072), (32, 2531438), (49, 1653184), (52, 1557808), (56, 1446536), (64, 1265719), (91, 890176), (98, 826592), (104, 778904), (112, 723268), (182, 445088), (196, 413296), (208, 389452), (224, 361634), (364, 222544), (392, 206648), (416, 194726), (448, 180817), (637, 127168), (728, 111272), (784, 103324), (832, 97363), (1274, 63584), (1456, 55636), (1568, 51662), (1987, 40768), (2548, 31792), (2912, 27818), (3136, 25831), (3974, 20384), (5096, 15896), (5824, 13909), (7948, 10192)]