81261656

素因数分解:

$2^3\times 7^1\times {\mathrm{919}}^1\times {\mathrm{1579}}^1$

素因数の和:2511

約数の個数: 32

約数和(自身を含む): 174432000

約数和(自身を除く): 93170344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 919, 1579, 1838, 3158, 3676, 6316, 6433, 7352, 11053, 12632, 12866, 22106, 25732, 44212, 51464, 88424, 1451101, 2902202, 5804404, 10157707, 11608808, 20315414, 40630828, 81261656]

約数ペア:

[(1, 81261656), (2, 40630828), (4, 20315414), (7, 11608808), (8, 10157707), (14, 5804404), (28, 2902202), (56, 1451101), (919, 88424), (1579, 51464), (1838, 44212), (3158, 25732), (3676, 22106), (6316, 12866), (6433, 12632), (7352, 11053)]