81894176

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28123}}^1$

素因数の和:28153

約数の個数: 48

約数和(自身を含む): 198442944

約数和(自身を除く): 116548768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 28123, 56246, 112492, 196861, 224984, 365599, 393722, 449968, 731198, 787444, 899936, 1462396, 1574888, 2559193, 2924792, 3149776, 5118386, 5849584, 6299552, 10236772, 11699168, 20473544, 40947088, 81894176]

約数ペア:

[(1, 81894176), (2, 40947088), (4, 20473544), (7, 11699168), (8, 10236772), (13, 6299552), (14, 5849584), (16, 5118386), (26, 3149776), (28, 2924792), (32, 2559193), (52, 1574888), (56, 1462396), (91, 899936), (104, 787444), (112, 731198), (182, 449968), (208, 393722), (224, 365599), (364, 224984), (416, 196861), (728, 112492), (1456, 56246), (2912, 28123)]