81646432

素因数分解:

$2^5\times 7^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 184373280

約数和(自身を除く): 102726848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 389, 778, 937, 1556, 1874, 2723, 3112, 3748, 5446, 6224, 6559, 7496, 10892, 12448, 13118, 14992, 21784, 26236, 29984, 43568, 52472, 87136, 104944, 209888, 364493, 728986, 1457972, 2551451, 2915944, 5102902, 5831888, 10205804, 11663776, 20411608, 40823216, 81646432]

約数ペア:

[(1, 81646432), (2, 40823216), (4, 20411608), (7, 11663776), (8, 10205804), (14, 5831888), (16, 5102902), (28, 2915944), (32, 2551451), (56, 1457972), (112, 728986), (224, 364493), (389, 209888), (778, 104944), (937, 87136), (1556, 52472), (1874, 43568), (2723, 29984), (3112, 26236), (3748, 21784), (5446, 14992), (6224, 13118), (6559, 12448), (7496, 10892)]