81396224

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1785

約数の個数: 80

約数和(自身を含む): 200278848

約数和(自身を除く): 118882624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1747, 1792, 2912, 3328, 3494, 3584, 5824, 6656, 6988, 11648, 12229, 13976, 22711, 23296, 24458, 27952, 45422, 46592, 48916, 55904, 90844, 97832, 111808, 158977, 181688, 195664, 223616, 317954, 363376, 391328, 447232, 635908, 726752, 782656, 894464, 1271816, 1453504, 1565312, 2543632, 2907008, 3130624, 5087264, 5814016, 6261248, 10174528, 11628032, 20349056, 40698112, 81396224]

約数ペア:

[(1, 81396224), (2, 40698112), (4, 20349056), (7, 11628032), (8, 10174528), (13, 6261248), (14, 5814016), (16, 5087264), (26, 3130624), (28, 2907008), (32, 2543632), (52, 1565312), (56, 1453504), (64, 1271816), (91, 894464), (104, 782656), (112, 726752), (128, 635908), (182, 447232), (208, 391328), (224, 363376), (256, 317954), (364, 223616), (416, 195664), (448, 181688), (512, 158977), (728, 111808), (832, 97832), (896, 90844), (1456, 55904), (1664, 48916), (1747, 46592), (1792, 45422), (2912, 27952), (3328, 24458), (3494, 23296), (3584, 22711), (5824, 13976), (6656, 12229), (6988, 11648)]