81396616

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{3469}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 174888000

約数和(自身を除く): 93491384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 838, 1676, 2933, 3352, 3469, 5866, 6938, 11732, 13876, 23464, 24283, 27752, 48566, 97132, 194264, 1453511, 2907022, 5814044, 10174577, 11628088, 20349154, 40698308, 81396616]

約数ペア:

[(1, 81396616), (2, 40698308), (4, 20349154), (7, 11628088), (8, 10174577), (14, 5814044), (28, 2907022), (56, 1453511), (419, 194264), (838, 97132), (1676, 48566), (2933, 27752), (3352, 24283), (3469, 23464), (5866, 13876), (6938, 11732)]